66095377542 has 32 divisors (see below), whose sum is σ = 146990131200. Its totient is φ = 22015065384.

The previous prime is 66095377531. The next prime is 66095377547. The reversal of 66095377542 is 24577359066.

66095377542 is a `hidden beast` number, since 6 + 6 + 0 + 95 + 3 + 7 + 7 + 542 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66095377547) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 392758 + ... + 535209.

It is an arithmetic number, because the mean of its divisors is an integer number (4593441600).

Almost surely, 2^66095377542 is an apocalyptic number.

66095377542 is an abundant number, since it is smaller than the sum of its proper divisors (80894753658).

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

66095377542 is a wasteful number, since it uses less digits than its factorization.

66095377542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 929297 (or 929291 counting only the distinct ones).

The product of its (nonzero) digits is 9525600, while the sum is 54.

The spelling of 66095377542 in words is "sixty-six billion, ninety-five million, three hundred seventy-seven thousand, five hundred forty-two".