160631940 has 48 divisors (see below), whose sum is σ = 514023552. Its totient is φ = 36715776.

The previous prime is 160631927. The next prime is 160631951. The reversal of 160631940 is 49136061.

160631940 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 160631898 and 160631907.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 190809 + ... + 191648.

It is an arithmetic number, because the mean of its divisors is an integer number (10708824).

Almost surely, 2^160631940 is an apocalyptic number.

160631940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

160631940 is an abundant number, since it is smaller than the sum of its proper divisors (353391612).

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

160631940 is a wasteful number, since it uses less digits than its factorization.

160631940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382476 (or 382474 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 160631940 is about 12674.0656460348. The cubic root of 160631940 is about 543.5973131867.

The spelling of 160631940 in words is "one hundred sixty million, six hundred thirty-one thousand, nine hundred forty".