157866262552 has 8 divisors (see below), whose sum is σ = 295999242300. Its totient is φ = 78933131272.

The previous prime is 157866262501. The next prime is 157866262601. The reversal of 157866262552 is 255262668751.

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 157866262493 and 157866262502.

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, 9866641402 + ... + 9866641417.

Almost surely, 2^157866262552 is an apocalyptic number.

It is an amenable number.

157866262552 is a deficient number, since it is larger than the sum of its proper divisors (138132979748).

157866262552 is a wasteful number, since it uses less digits than its factorization.

157866262552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19733282825 (or 19733282821 counting only the distinct ones).

The product of its digits is 12096000, while the sum is 55.

The spelling of 157866262552 in words is "one hundred fifty-seven billion, eight hundred sixty-six million, two hundred sixty-two thousand, five hundred fifty-two".