66567473124 has 24 divisors (see below), whose sum is σ = 157511769408. Its totient is φ = 21876634080.

The previous prime is 66567473117. The next prime is 66567473131. The reversal of 66567473124 is 42137476566.

It is an interprime number because it is at equal distance from previous prime (66567473117) and next prime (66567473131).

It is a super-2 number, since 2×66567473124² (a number of 22 digits) contains 22 as substring.

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, 39064567 + ... + 39066270.

It is an arithmetic number, because the mean of its divisors is an integer number (6562990392).

Almost surely, 2^66567473124 is an apocalyptic number.

It is an amenable number.

66567473124 is an abundant number, since it is smaller than the sum of its proper divisors (90944296284).

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

66567473124 is a wasteful number, since it uses less digits than its factorization.

66567473124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78130915 (or 78130913 counting only the distinct ones).

The product of its digits is 5080320, while the sum is 51.

The spelling of 66567473124 in words is "sixty-six billion, five hundred sixty-seven million, four hundred seventy-three thousand, one hundred twenty-four".