1992137160 has 64 divisors (see below), whose sum is σ = 6436140480. Its totient is φ = 490371840.

The previous prime is 1992137131. The next prime is 1992137167. The reversal of 1992137160 is 617312991.

It is a happy number.

It is a super-2 number, since 2×1992137160² = 7937220928505731200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (1992137167) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 636946 + ... + 640065.

It is an arithmetic number, because the mean of its divisors is an integer number (100564695).

Almost surely, 2^1992137160 is an apocalyptic number.

1992137160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1992137160 is an abundant number, since it is smaller than the sum of its proper divisors (4444003320).

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

1992137160 is a wasteful number, since it uses less digits than its factorization.

1992137160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1277038 (or 1277034 counting only the distinct ones).

The product of its (nonzero) digits is 20412, while the sum is 39.

The square root of 1992137160 is about 44633.3637540349. The cubic root of 1992137160 is about 1258.2677885054.

The spelling of 1992137160 in words is "one billion, nine hundred ninety-two million, one hundred thirty-seven thousand, one hundred sixty".