64264655 has 16 divisors (see below), whose sum is σ = 94914624. Its totient is φ = 40677120.

The previous prime is 64264639. The next prime is 64264657. The reversal of 64264655 is 55646246.

It is not a de Polignac number, because 64264655 - 2⁴ = 64264639 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64264657) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70166 + ... + 71075.

It is an arithmetic number, because the mean of its divisors is an integer number (5932164).

Almost surely, 2^64264655 is an apocalyptic number.

64264655 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

64264655 is a deficient number, since it is larger than the sum of its proper divisors (30649969).

64264655 is a wasteful number, since it uses less digits than its factorization.

64264655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141266.

The product of its digits is 172800, while the sum is 38.

The square root of 64264655 is about 8016.5238726021. The cubic root of 64264655 is about 400.5506063173.

The spelling of 64264655 in words is "sixty-four million, two hundred sixty-four thousand, six hundred fifty-five".