70092709891661 has 4 divisors (see below), whose sum is σ = 70101407344800. Its totient is φ = 70084012438524.

The previous prime is 70092709891651. The next prime is 70092709891697. The reversal of 70092709891661 is 16619890729007.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70092709891661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70092709891601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4348714481 + ... + 4348730598.

It is an arithmetic number, because the mean of its divisors is an integer number (17525351836200).

Almost surely, 2^{70092709891661} is an apocalyptic number.

It is an amenable number.

70092709891661 is a deficient number, since it is larger than the sum of its proper divisors (8697453139).

70092709891661 is an equidigital number, since it uses as much as digits as its factorization.

70092709891661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8697453138.

The product of its (nonzero) digits is 20575296, while the sum is 65.

The spelling of 70092709891661 in words is "seventy trillion, ninety-two billion, seven hundred nine million, eight hundred ninety-one thousand, six hundred sixty-one".