157071870 has 48 divisors (see below), whose sum is σ = 411400080. Its totient is φ = 41576832.

The previous prime is 157071847. The next prime is 157071877. The reversal of 157071870 is 78170751.

157071870 is a `hidden beast` number, since 1 + 570 + 7 + 1 + 87 + 0 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157071877) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5961 + ... + 18699.

It is an arithmetic number, because the mean of its divisors is an integer number (8570835).

Almost surely, 2^157071870 is an apocalyptic number.

157071870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 157071870, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (205700040).

157071870 is an abundant number, since it is smaller than the sum of its proper divisors (254328210).

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

157071870 is a wasteful number, since it uses less digits than its factorization.

157071870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12889 (or 12886 counting only the distinct ones).

The product of its (nonzero) digits is 13720, while the sum is 36.

The square root of 157071870 is about 12532.8316832231. The cubic root of 157071870 is about 539.5513763648.

The spelling of 157071870 in words is "one hundred fifty-seven million, seventy-one thousand, eight hundred seventy".