1550752165264 has 15 divisors (see below), whose sum is σ = 3004591971243. Its totient is φ = 775373592048.

The previous prime is 1550752165243. The next prime is 1550752165321. The reversal of 1550752165264 is 4625612570551.

The square root of 1550752165264 is 1245292.

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

It is a Duffinian number.

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 2 ways as a sum of consecutive naturals, for example, 4825507 + ... + 5136829.

Almost surely, 2^{1550752165264} is an apocalyptic number.

1550752165264 is the 1245292-nd square number.

It is an amenable number.

1550752165264 is a deficient number, since it is larger than the sum of its proper divisors (1453839805979).

1550752165264 is an frugal number, since it uses more digits than its factorization.

1550752165264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 622654 (or 311325 counting only the distinct ones).

The product of its (nonzero) digits is 2520000, while the sum is 49.

Multiplying 1550752165264 by its sum of digits (49), we get a square (75986856097936 = 8717044²).

The spelling of 1550752165264 in words is "one trillion, five hundred fifty billion, seven hundred fifty-two million, one hundred sixty-five thousand, two hundred sixty-four".