15906196697 has 8 divisors (see below), whose sum is σ = 16346558592. Its totient is φ = 15468330400.

The previous prime is 15906196639. The next prime is 15906196717. The reversal of 15906196697 is 79669160951.

15906196697 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15906196697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15906196637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 610973 + ... + 636474.

It is an arithmetic number, because the mean of its divisors is an integer number (2043319824).

Almost surely, 2^15906196697 is an apocalyptic number.

It is an amenable number.

15906196697 is a deficient number, since it is larger than the sum of its proper divisors (440361895).

15906196697 is a wasteful number, since it uses less digits than its factorization.

15906196697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1247799.

The product of its (nonzero) digits is 5511240, while the sum is 59.

The spelling of 15906196697 in words is "fifteen billion, nine hundred six million, one hundred ninety-six thousand, six hundred ninety-seven".