66536346 has 16 divisors (see below), whose sum is σ = 133312608. Its totient is φ = 22138800.

The previous prime is 66536329. The next prime is 66536383. The reversal of 66536346 is 64363566.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6285 + ... + 13136.

It is an arithmetic number, because the mean of its divisors is an integer number (8332038).

Almost surely, 2^66536346 is an apocalyptic number.

66536346 is an abundant number, since it is smaller than the sum of its proper divisors (66776262).

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

66536346 is a wasteful number, since it uses less digits than its factorization.

66536346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19997.

The product of its digits is 233280, while the sum is 39.

The square root of 66536346 is about 8156.9814269741. The cubic root of 66536346 is about 405.2157484832.

The spelling of 66536346 in words is "sixty-six million, five hundred thirty-six thousand, three hundred forty-six".