66135551236414 has 32 divisors (see below), whose sum is σ = 111714601559040. Its totient is φ = 29091425260800.

The previous prime is 66135551236409. The next prime is 66135551236421. The reversal of 66135551236414 is 41463215553166.

It is a super-2 number, since 2×66135551236414² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44401422 + ... + 45866734.

It is an arithmetic number, because the mean of its divisors is an integer number (3491081298720).

Almost surely, 2^{66135551236414} is an apocalyptic number.

66135551236414 is a deficient number, since it is larger than the sum of its proper divisors (45579050322626).

66135551236414 is a wasteful number, since it uses less digits than its factorization.

66135551236414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1531536.

The product of its digits is 7776000, while the sum is 52.

The spelling of 66135551236414 in words is "sixty-six trillion, one hundred thirty-five billion, five hundred fifty-one million, two hundred thirty-six thousand, four hundred fourteen".