66054632 has 16 divisors (see below), whose sum is σ = 141545760. Its totient is φ = 28309104.

The previous prime is 66054623. The next prime is 66054647. The reversal of 66054632 is 23645066.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 589718 + ... + 589829.

It is an arithmetic number, because the mean of its divisors is an integer number (8846610).

Almost surely, 2^66054632 is an apocalyptic number.

It is an amenable number.

66054632 is an abundant number, since it is smaller than the sum of its proper divisors (75491128).

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

66054632 is a wasteful number, since it uses less digits than its factorization.

66054632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1179560 (or 1179556 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 32.

The square root of 66054632 is about 8127.4000762852. The cubic root of 66054632 is about 404.2354768779.

Adding to 66054632 its reverse (23645066), we get a palindrome (89699698).

The spelling of 66054632 in words is "sixty-six million, fifty-four thousand, six hundred thirty-two".