96640051 has 4 divisors (see below), whose sum is σ = 99757504. Its totient is φ = 93522600.

The previous prime is 96640039. The next prime is 96640067. The reversal of 96640051 is 15004669.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15004669 = 127 ⋅118147.

It is a cyclic number.

It is not a de Polignac number, because 96640051 - 2⁷ = 96639923 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31), and also a Moran number because the ratio is a prime number: 3117421 = 96640051 / (9 + 6 + 6 + 4 + 0 + 0 + 5 + 1).

It is a junction number, because it is equal to n+sod(n) for n = 96639995 and 96640022.

It is not an unprimeable number, because it can be changed into a prime (96640001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1558680 + ... + 1558741.

It is an arithmetic number, because the mean of its divisors is an integer number (24939376).

Almost surely, 2^96640051 is an apocalyptic number.

96640051 is a deficient number, since it is larger than the sum of its proper divisors (3117453).

96640051 is a wasteful number, since it uses less digits than its factorization.

96640051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3117452.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 96640051 is about 9830.5671759060. The cubic root of 96640051 is about 458.9010486917.

The spelling of 96640051 in words is "ninety-six million, six hundred forty thousand, fifty-one".