107664657 has 4 divisors (see below), whose sum is σ = 143552880. Its totient is φ = 71776436.

The previous prime is 107664653. The next prime is 107664673. The reversal of 107664657 is 756466701.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 107664657 - 2² = 107664653 is a prime.

It is not an unprimeable number, because it can be changed into a prime (107664653) 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, 17944107 + ... + 17944112.

It is an arithmetic number, because the mean of its divisors is an integer number (35888220).

Almost surely, 2^107664657 is an apocalyptic number.

It is an amenable number.

107664657 is a deficient number, since it is larger than the sum of its proper divisors (35888223).

107664657 is an equidigital number, since it uses as much as digits as its factorization.

107664657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35888222.

The product of its (nonzero) digits is 211680, while the sum is 42.

The square root of 107664657 is about 10376.1581040383. The cubic root of 107664657 is about 475.7269121243.

It can be divided in two parts, 10 and 7664657, that added together give a palindrome (7664667).

The spelling of 107664657 in words is "one hundred seven million, six hundred sixty-four thousand, six hundred fifty-seven".