66014122551 has 16 divisors (see below), whose sum is σ = 94795860096. Its totient is φ = 40621353696.

The previous prime is 66014122507. The next prime is 66014122567. The reversal of 66014122551 is 15522141066.

It is not a de Polignac number, because 66014122551 - 2⁶ = 66014122487 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66014122151) 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, 641776 + ... + 737498.

It is an arithmetic number, because the mean of its divisors is an integer number (5924741256).

Almost surely, 2^66014122551 is an apocalyptic number.

66014122551 is a deficient number, since it is larger than the sum of its proper divisors (28781737545).

66014122551 is a wasteful number, since it uses less digits than its factorization.

66014122551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113422.

The product of its (nonzero) digits is 14400, while the sum is 33.

The spelling of 66014122551 in words is "sixty-six billion, fourteen million, one hundred twenty-two thousand, five hundred fifty-one".