15680154120692 has 6 divisors (see below), whose sum is σ = 27440269711218. Its totient is φ = 7840077060344.

The previous prime is 15680154120689. The next prime is 15680154120713. The reversal of 15680154120692 is 29602145108651.

It can be written as a sum of positive squares in only one way, i.e., 15234002261776 + 446151858916 = 3903076^2 + 667946^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 15680154120692.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1960019265083 + ... + 1960019265090.

It is an arithmetic number, because the mean of its divisors is an integer number (4573378285203).

Almost surely, 2^{15680154120692} is an apocalyptic number.

It is an amenable number.

15680154120692 is a deficient number, since it is larger than the sum of its proper divisors (11760115590526).

15680154120692 is a wasteful number, since it uses less digits than its factorization.

15680154120692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3920038530177 (or 3920038530175 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 50.

The spelling of 15680154120692 in words is "fifteen trillion, six hundred eighty billion, one hundred fifty-four million, one hundred twenty thousand, six hundred ninety-two".