66760161435 has 48 divisors (see below), whose sum is σ = 126385159680. Its totient is φ = 32330675520.

The previous prime is 66760161427. The next prime is 66760161463. The reversal of 66760161435 is 53416106766.

66760161435 is a `hidden beast` number, since 6 + 6 + 7 + 601 + 6 + 1 + 4 + 35 = 666.

It is not a de Polignac number, because 66760161435 - 2³ = 66760161427 is a prime.

It is a super-2 number, since 2×66760161435² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 346702 + ... + 503708.

It is an arithmetic number, because the mean of its divisors is an integer number (2633024160).

Almost surely, 2^66760161435 is an apocalyptic number.

66760161435 is a deficient number, since it is larger than the sum of its proper divisors (59624998245).

66760161435 is a wasteful number, since it uses less digits than its factorization.

66760161435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157888 (or 157885 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 45.

The spelling of 66760161435 in words is "sixty-six billion, seven hundred sixty million, one hundred sixty-one thousand, four hundred thirty-five".