66132534 has 16 divisors (see below), whose sum is σ = 142439472. Its totient is φ = 20348448.

The previous prime is 66132511. The next prime is 66132541. The reversal of 66132534 is 43523166.

It is a super-2 number, since 2×66132534² = 8747024106522312, which contains 22 as substring.

It is a congruent 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, 423849 + ... + 424004.

It is an arithmetic number, because the mean of its divisors is an integer number (8902467).

Almost surely, 2^66132534 is an apocalyptic number.

66132534 is an abundant number, since it is smaller than the sum of its proper divisors (76306938).

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

66132534 is a wasteful number, since it uses less digits than its factorization.

66132534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 847871.

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

The square root of 66132534 is about 8132.1912176239. The cubic root of 66132534 is about 404.3943271087.

It can be divided in two parts, 66132 and 534, that added together give a palindrome (66666).

The spelling of 66132534 in words is "sixty-six million, one hundred thirty-two thousand, five hundred thirty-four".