66179542 has 32 divisors (see below), whose sum is σ = 117482400. Its totient is φ = 27563520.

The previous prime is 66179483. The next prime is 66179551. The reversal of 66179542 is 24597166.

It is a junction number, because it is equal to n+sod(n) for n = 66179495 and 66179504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41838 + ... + 43390.

It is an arithmetic number, because the mean of its divisors is an integer number (3671325).

Almost surely, 2^66179542 is an apocalyptic number.

66179542 is a deficient number, since it is larger than the sum of its proper divisors (51302858).

66179542 is a wasteful number, since it uses less digits than its factorization.

66179542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1728.

The product of its digits is 90720, while the sum is 40.

The square root of 66179542 is about 8135.0809461246. The cubic root of 66179542 is about 404.4901209387.

The spelling of 66179542 in words is "sixty-six million, one hundred seventy-nine thousand, five hundred forty-two".