116640372 has 12 divisors (see below), whose sum is σ = 272160896. Its totient is φ = 38880120.

The previous prime is 116640371. The next prime is 116640397. The reversal of 116640372 is 273046611.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116640371) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4860004 + ... + 4860027.

Almost surely, 2^116640372 is an apocalyptic number.

116640372 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

116640372 is an abundant number, since it is smaller than the sum of its proper divisors (155520524).

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

116640372 is a wasteful number, since it uses less digits than its factorization.

116640372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9720038 (or 9720036 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 116640372 is about 10800.0172222085. The cubic root of 116640372 is about 488.5956904121.

Adding to 116640372 its reverse (273046611), we get a palindrome (389686983).

The spelling of 116640372 in words is "one hundred sixteen million, six hundred forty thousand, three hundred seventy-two".