19180034064 has 75 divisors (see below), whose sum is σ = 55527017007. Its totient is φ = 6391682784.

The previous prime is 19180034053. The next prime is 19180034147. The reversal of 19180034064 is 46043008191.

The square root of 19180034064 is 138492.

It is a perfect power (a square), and thus also a powerful number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 4983789 + ... + 4987635.

Almost surely, 2^19180034064 is an apocalyptic number.

19180034064 is the 138492-nd square number.

It is an amenable number.

19180034064 is an abundant number, since it is smaller than the sum of its proper divisors (36346982943).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19180034064 is an frugal number, since it uses more digits than its factorization.

19180034064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7714 (or 3852 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

Multiplying 19180034064 by its sum of digits (36), we get a square (690481226304 = 830952²).

19180034064 divided by its sum of digits (36) gives a square (532778724 = 23082²).

Multiplying 19180034064 by its product of nonzero digits (20736), we get a square (397717186351104 = 19942848²).

The spelling of 19180034064 in words is "nineteen billion, one hundred eighty million, thirty-four thousand, sixty-four".