70156890192841 has 15 divisors (see below), whose sum is σ = 71357872126065. Its totient is φ = 68976121185000.

The previous prime is 70156890192833. The next prime is 70156890192887. The reversal of 70156890192841 is 14829109865107.

The square root of 70156890192841 is 8375971.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 2 ways, for example, as 61328147650441 + 8828742542400 = 7831229^2 + 2971320^2 .

It is not a de Polignac number, because 70156890192841 - 2³ = 70156890192833 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (61).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 70156890192841.

It is not an unprimeable number, because it can be changed into a prime (70156890192241) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 31166986966 + ... + 31166989216.

It is an arithmetic number, because the mean of its divisors is an integer number (4757191475071).

Almost surely, 2^{70156890192841} is an apocalyptic number.

70156890192841 is the 8375971-st square number.

70156890192841 is the 4187986-th centered octagonal number.

It is an amenable number.

70156890192841 is a deficient number, since it is larger than the sum of its proper divisors (1200981933224).

70156890192841 is an frugal number, since it uses more digits than its factorization.

70156890192841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4746 (or 2312 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 61.

The spelling of 70156890192841 in words is "seventy trillion, one hundred fifty-six billion, eight hundred ninety million, one hundred ninety-two thousand, eight hundred forty-one".