107664661 has 12 divisors (see below), whose sum is σ = 117383520. Its totient is φ = 98701200.

The previous prime is 107664653. The next prime is 107664673. The reversal of 107664661 is 166466701.

It is not a de Polignac number, because 107664661 - 2³ = 107664653 is a prime.

It is a super-3 number, since 3×107664661³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 107664661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (107664611) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23410 + ... + 27628.

It is an arithmetic number, because the mean of its divisors is an integer number (9781960).

Almost surely, 2^107664661 is an apocalyptic number.

It is an amenable number.

107664661 is a deficient number, since it is larger than the sum of its proper divisors (9718859).

107664661 is a wasteful number, since it uses less digits than its factorization.

107664661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4396 (or 4383 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 107664661 is about 10376.1582967879. The cubic root of 107664661 is about 475.7269180158.

The spelling of 107664661 in words is "one hundred seven million, six hundred sixty-four thousand, six hundred sixty-one".