64149206 has 48 divisors (see below), whose sum is σ = 114488640. Its totient is φ = 26656560.

The previous prime is 64149203. The next prime is 64149227. The reversal of 64149206 is 60294146.

It is a happy number.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64149203) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 772841 + ... + 772923.

It is an arithmetic number, because the mean of its divisors is an integer number (2385180).

Almost surely, 2^64149206 is an apocalyptic number.

64149206 is a deficient number, since it is larger than the sum of its proper divisors (50339434).

64149206 is a wasteful number, since it uses less digits than its factorization.

64149206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201 (or 158 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 64149206 is about 8009.3199461627. The cubic root of 64149206 is about 400.3106045829.

The spelling of 64149206 in words is "sixty-four million, one hundred forty-nine thousand, two hundred six".