66137484 has 48 divisors (see below), whose sum is σ = 176779008. Its totient is φ = 18852288.

The previous prime is 66137479. The next prime is 66137501. The reversal of 66137484 is 48473166.

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, 56287 + ... + 57449.

It is an arithmetic number, because the mean of its divisors is an integer number (3682896).

Almost surely, 2^66137484 is an apocalyptic number.

It is an amenable number.

66137484 is an abundant number, since it is smaller than the sum of its proper divisors (110641524).

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

66137484 is a wasteful number, since it uses less digits than its factorization.

66137484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1854 (or 1852 counting only the distinct ones).

The product of its digits is 96768, while the sum is 39.

The square root of 66137484 is about 8132.4955579453. The cubic root of 66137484 is about 404.4044164543.

It can be divided in two parts, 66 and 137484, that added together give a triangular number (137550 = T₅₂₄).

The spelling of 66137484 in words is "sixty-six million, one hundred thirty-seven thousand, four hundred eighty-four".