66034155125 has 16 divisors (see below), whose sum is σ = 82436949504. Its totient is φ = 52810450000.

The previous prime is 66034155119. The next prime is 66034155127. The reversal of 66034155125 is 52155143066.

It is a de Polignac number, because none of the positive numbers 2^k-66034155125 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66034155127) 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, 316100 + ... + 481650.

It is an arithmetic number, because the mean of its divisors is an integer number (5152309344).

Almost surely, 2^66034155125 is an apocalyptic number.

It is an amenable number.

66034155125 is a deficient number, since it is larger than the sum of its proper divisors (16402794379).

66034155125 is a wasteful number, since it uses less digits than its factorization.

66034155125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168757 (or 168747 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 38.

The spelling of 66034155125 in words is "sixty-six billion, thirty-four million, one hundred fifty-five thousand, one hundred twenty-five".