70156070651 has 4 divisors (see below), whose sum is σ = 70245215112. Its totient is φ = 70066926192.

The previous prime is 70156070609. The next prime is 70156070657. The reversal of 70156070651 is 15607065107.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70156070651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70156070657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44571050 + ... + 44572623.

It is an arithmetic number, because the mean of its divisors is an integer number (17561303778).

Almost surely, 2^70156070651 is an apocalyptic number.

70156070651 is a deficient number, since it is larger than the sum of its proper divisors (89144461).

70156070651 is an equidigital number, since it uses as much as digits as its factorization.

70156070651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89144460.

The product of its (nonzero) digits is 44100, while the sum is 38.

The spelling of 70156070651 in words is "seventy billion, one hundred fifty-six million, seventy thousand, six hundred fifty-one".