66162654 has 12 divisors (see below), whose sum is σ = 143352456. Its totient is φ = 22054212.

The previous prime is 66162653. The next prime is 66162667. The reversal of 66162654 is 45626166.

It is a happy number.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66162653) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1837834 + ... + 1837869.

It is an arithmetic number, because the mean of its divisors is an integer number (11946038).

Almost surely, 2^66162654 is an apocalyptic number.

66162654 is an abundant number, since it is smaller than the sum of its proper divisors (77189802).

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

66162654 is a wasteful number, since it uses less digits than its factorization.

66162654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3675711 (or 3675708 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 66162654 is about 8134.0429062060. The cubic root of 66162654 is about 404.4557114616.

The spelling of 66162654 in words is "sixty-six million, one hundred sixty-two thousand, six hundred fifty-four".