1376623503616 has 27 divisors (see below), whose sum is σ = 2747907044323. Its totient is φ = 688302365440.

The previous prime is 1376623503581. The next prime is 1376623503637. The reversal of 1376623503616 is 6163053266731.

The square root of 1376623503616 is 1173296.

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

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1376623503616.

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, 18736071 + ... + 18809401.

Almost surely, 2^{1376623503616} is an apocalyptic number.

1376623503616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

1376623503616 is the 1173296-th square number.

It is an amenable number.

1376623503616 is a deficient number, since it is larger than the sum of its proper divisors (1371283540707).

1376623503616 is an frugal number, since it uses more digits than its factorization.

1376623503616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146678 (or 73333 counting only the distinct ones).

The product of its (nonzero) digits is 2449440, while the sum is 49.

Multiplying 1376623503616 by its sum of digits (49), we get a square (67454551677184 = 8213072²).

The spelling of 1376623503616 in words is "one trillion, three hundred seventy-six billion, six hundred twenty-three million, five hundred three thousand, six hundred sixteen".