66135015037 has 16 divisors (see below), whose sum is σ = 81590330752. Its totient is φ = 52202283840.

The previous prime is 66135015019. The next prime is 66135015047. The reversal of 66135015037 is 73051053166.

It is not a de Polignac number, because 66135015037 - 2¹¹ = 66135012989 is a prime.

It is a super-2 number, since 2×66135015037² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 66135014987 and 66135015005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66135015007) 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, 824823 + ... + 901444.

It is an arithmetic number, because the mean of its divisors is an integer number (5099395672).

Almost surely, 2^66135015037 is an apocalyptic number.

It is an amenable number.

66135015037 is a deficient number, since it is larger than the sum of its proper divisors (15455315715).

66135015037 is a wasteful number, since it uses less digits than its factorization.

66135015037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1726708.

The product of its (nonzero) digits is 56700, while the sum is 37.

The spelling of 66135015037 in words is "sixty-six billion, one hundred thirty-five million, fifteen thousand, thirty-seven".