66737132511 has 32 divisors (see below), whose sum is σ = 106352870400. Its totient is φ = 36396079104.

The previous prime is 66737132507. The next prime is 66737132519. The reversal of 66737132511 is 11523173766.

It is not a de Polignac number, because 66737132511 - 2² = 66737132507 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66737132519) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 63001 + ... + 370733.

It is an arithmetic number, because the mean of its divisors is an integer number (3323527200).

Almost surely, 2^66737132511 is an apocalyptic number.

66737132511 is a deficient number, since it is larger than the sum of its proper divisors (39615737889).

66737132511 is a wasteful number, since it uses less digits than its factorization.

66737132511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308215.

The product of its digits is 158760, while the sum is 42.

The spelling of 66737132511 in words is "sixty-six billion, seven hundred thirty-seven million, one hundred thirty-two thousand, five hundred eleven".