157171873000 has 32 divisors (see below), whose sum is σ = 367782185160. Its totient is φ = 62868748800.

The previous prime is 157171872973. The next prime is 157171873037. The reversal of 157171873000 is 378171751.

It can be written as a sum of positive squares in 4 ways, for example, as 7880823076 + 149291049924 = 88774^2 + 386382^2 .

It is a Harshad number since it is a multiple of its sum of digits (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78584937 + ... + 78586936.

Almost surely, 2^157171873000 is an apocalyptic number.

157171873000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

157171873000 is an abundant number, since it is smaller than the sum of its proper divisors (210610312160).

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

157171873000 is a wasteful number, since it uses less digits than its factorization.

157171873000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157171894 (or 157171880 counting only the distinct ones).

The product of its (nonzero) digits is 41160, while the sum is 40.

The spelling of 157171873000 in words is "one hundred fifty-seven billion, one hundred seventy-one million, eight hundred seventy-three thousand".