115066620 has 36 divisors (see below), whose sum is σ = 349035960. Its totient is φ = 30684384.

The previous prime is 115066583. The next prime is 115066643. The reversal of 115066620 is 26660511.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-4 number, since 4×115066620⁴ (a number of 33 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 319450 + ... + 319809.

Almost surely, 2^115066620 is an apocalyptic number.

115066620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115066620 is an abundant number, since it is smaller than the sum of its proper divisors (233969340).

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

115066620 is a wasteful number, since it uses less digits than its factorization.

115066620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 639274 (or 639269 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 115066620 is about 10726.9110185552. The cubic root of 115066620 is about 486.3882991382.

The spelling of 115066620 in words is "one hundred fifteen million, sixty-six thousand, six hundred twenty".