157866262554 has 128 divisors (see below), whose sum is σ = 438539028480. Its totient is φ = 36544838400.

The previous prime is 157866262501. The next prime is 157866262601. The reversal of 157866262554 is 455262668751.

It is a junction number, because it is equal to n+sod(n) for n = 157866262494 and 157866262503.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 279012 + ... + 627359.

It is an arithmetic number, because the mean of its divisors is an integer number (3426086160).

Almost surely, 2^157866262554 is an apocalyptic number.

157866262554 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

157866262554 is an abundant number, since it is smaller than the sum of its proper divisors (280672765926).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

157866262554 is a wasteful number, since it uses less digits than its factorization.

157866262554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 906436.

The product of its digits is 24192000, while the sum is 57.

The spelling of 157866262554 in words is "one hundred fifty-seven billion, eight hundred sixty-six million, two hundred sixty-two thousand, five hundred fifty-four".