157646670556 has 6 divisors (see below), whose sum is σ = 275881673480. Its totient is φ = 78823335276.

The previous prime is 157646670509. The next prime is 157646670593. The reversal of 157646670556 is 655076646751.

157646670556 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 157646670556.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 19705833816 + ... + 19705833823.

Almost surely, 2^157646670556 is an apocalyptic number.

It is an amenable number.

157646670556 is a deficient number, since it is larger than the sum of its proper divisors (118235002924).

157646670556 is a wasteful number, since it uses less digits than its factorization.

157646670556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39411667643 (or 39411667641 counting only the distinct ones).

The product of its (nonzero) digits is 31752000, while the sum is 58.

The spelling of 157646670556 in words is "one hundred fifty-seven billion, six hundred forty-six million, six hundred seventy thousand, five hundred fifty-six".