66313254 has 32 divisors (see below), whose sum is σ = 153054720. Its totient is φ = 18761472.

The previous prime is 66313253. The next prime is 66313297. The reversal of 66313254 is 45231366.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66313253) 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, 3339 + ... + 11990.

It is an arithmetic number, because the mean of its divisors is an integer number (4782960).

Almost surely, 2^66313254 is an apocalyptic number.

66313254 is an abundant number, since it is smaller than the sum of its proper divisors (86741466).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

66313254 is a wasteful number, since it uses less digits than its factorization.

66313254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15444.

The product of its digits is 12960, while the sum is 30.

The square root of 66313254 is about 8143.2950333388. The cubic root of 66313254 is about 404.7623541037.

The spelling of 66313254 in words is "sixty-six million, three hundred thirteen thousand, two hundred fifty-four".