66534364 has 12 divisors (see below), whose sum is σ = 125391784. Its totient is φ = 30708144.

The previous prime is 66534361. The next prime is 66534367. The reversal of 66534364 is 46343566.

It is an interprime number because it is at equal distance from previous prime (66534361) and next prime (66534367).

It is a hoax number, since the sum of its digits (37) 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 (66534361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 639702 + ... + 639805.

Almost surely, 2^66534364 is an apocalyptic number.

It is an amenable number.

66534364 is a deficient number, since it is larger than the sum of its proper divisors (58857420).

66534364 is a wasteful number, since it uses less digits than its factorization.

66534364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1279524 (or 1279522 counting only the distinct ones).

The product of its digits is 155520, while the sum is 37.

The square root of 66534364 is about 8156.8599350485. The cubic root of 66534364 is about 405.2117248899.

The spelling of 66534364 in words is "sixty-six million, five hundred thirty-four thousand, three hundred sixty-four".