1974176742916 has 27 divisors (see below), whose sum is σ = 4018899842517. Its totient is φ = 846067316640.

The previous prime is 1974176742911. The next prime is 1974176742997. The reversal of 1974176742916 is 6192476714791.

The square root of 1974176742916 is 1405054.

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

It can be written as a sum of positive squares in only one way, i.e., 237896160516 + 1736280582400 = 487746^2 + 1317680^2 .

It is not an unprimeable number, because it can be changed into a prime (1974176742911) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 19620576 + ... + 19720936.

Almost surely, 2^{1974176742916} is an apocalyptic number.

1974176742916 is the 1405054-th square number.

It is an amenable number.

1974176742916 is an abundant number, since it is smaller than the sum of its proper divisors (2044723099601).

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

1974176742916 is an frugal number, since it uses more digits than its factorization.

1974176742916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200740 (or 100370 counting only the distinct ones).

The product of its digits is 32006016, while the sum is 64.

Multiplying 1974176742916 by its sum of digits (64), we get a square (126347311546624 = 11240432²).

The spelling of 1974176742916 in words is "one trillion, nine hundred seventy-four billion, one hundred seventy-six million, seven hundred forty-two thousand, nine hundred sixteen".