64401106 has 16 divisors (see below), whose sum is σ = 120438720. Its totient is φ = 25091280.

The previous prime is 64401091. The next prime is 64401109. The reversal of 64401106 is 60110446.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (64401109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 208941 + ... + 209248.

It is an arithmetic number, because the mean of its divisors is an integer number (7527420).

Almost surely, 2^64401106 is an apocalyptic number.

64401106 is a deficient number, since it is larger than the sum of its proper divisors (56037614).

64401106 is a wasteful number, since it uses less digits than its factorization.

64401106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418209.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 64401106 is about 8025.0299687914. The cubic root of 64401106 is about 400.8338978279.

The spelling of 64401106 in words is "sixty-four million, four hundred one thousand, one hundred six".