64100116 has 12 divisors (see below), whose sum is σ = 112452340. Its totient is φ = 31970880.

The previous prime is 64100107. The next prime is 64100119. The reversal of 64100116 is 61100146.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 57699216 + 6400900 = 7596^2 + 2530^2 .

It is a junction number, because it is equal to n+sod(n) for n = 64100093 and 64100102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64100119) 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, 17955 + ... + 21226.

Almost surely, 2^64100116 is an apocalyptic number.

It is an amenable number.

64100116 is a deficient number, since it is larger than the sum of its proper divisors (48352224).

64100116 is a wasteful number, since it uses less digits than its factorization.

64100116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39594 (or 39592 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 64100116 is about 8006.2548048385. The cubic root of 64100116 is about 400.2084663356.

The spelling of 64100116 in words is "sixty-four million, one hundred thousand, one hundred sixteen".