66496076955 has 144 divisors (see below), whose sum is σ = 151155436320. Its totient is φ = 27634400640.

The previous prime is 66496076897. The next prime is 66496076981. The reversal of 66496076955 is 55967069466.

It is not a de Polignac number, because 66496076955 - 2¹⁷ = 66495945883 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a junction number, because it is equal to n+sod(n) for n = 66496076892 and 66496076901.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 758877 + ... + 841953.

It is an arithmetic number, because the mean of its divisors is an integer number (1049690530).

Almost surely, 2^66496076955 is an apocalyptic number.

66496076955 is an abundant number, since it is smaller than the sum of its proper divisors (84659359365).

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

66496076955 is a wasteful number, since it uses less digits than its factorization.

66496076955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83127 (or 83103 counting only the distinct ones).

The product of its (nonzero) digits is 73483200, while the sum is 63.

The spelling of 66496076955 in words is "sixty-six billion, four hundred ninety-six million, seventy-six thousand, nine hundred fifty-five".