1970131658 has 32 divisors (see below), whose sum is σ = 3318174720. Its totient is φ = 869682160.

The previous prime is 1970131619. The next prime is 1970131661. The reversal of 1970131658 is 8561310791.

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, 98591 + ... + 116877.

It is an arithmetic number, because the mean of its divisors is an integer number (103692960).

Almost surely, 2^1970131658 is an apocalyptic number.

1970131658 is a deficient number, since it is larger than the sum of its proper divisors (1348043062).

1970131658 is a wasteful number, since it uses less digits than its factorization.

1970131658 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18442.

The product of its (nonzero) digits is 45360, while the sum is 41.

The square root of 1970131658 is about 44386.1651643843. The cubic root of 1970131658 is about 1253.6176072741.

The spelling of 1970131658 in words is "one billion, nine hundred seventy million, one hundred thirty-one thousand, six hundred fifty-eight".