66414826137 has 32 divisors (see below), whose sum is σ = 99310780800. Its totient is φ = 39125445120.

The previous prime is 66414826133. The next prime is 66414826171. The reversal of 66414826137 is 73162841466.

It is not a de Polignac number, because 66414826137 - 2² = 66414826133 is a prime.

It is not an unprimeable number, because it can be changed into a prime (66414826133) 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, 1254903 + ... + 1306755.

It is an arithmetic number, because the mean of its divisors is an integer number (3103461900).

Almost surely, 2^66414826137 is an apocalyptic number.

It is an amenable number.

66414826137 is a deficient number, since it is larger than the sum of its proper divisors (32895954663).

66414826137 is a wasteful number, since it uses less digits than its factorization.

66414826137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52953.

The product of its digits is 1161216, while the sum is 48.

The spelling of 66414826137 in words is "sixty-six billion, four hundred fourteen million, eight hundred twenty-six thousand, one hundred thirty-seven".