974156003668 has 24 divisors (see below), whose sum is σ = 1749616970472. Its totient is φ = 474399604224.

The previous prime is 974156003663. The next prime is 974156003671. The reversal of 974156003668 is 866300651479.

It can be written as a sum of positive squares in 4 ways, for example, as 352679201424 + 621476802244 = 593868^2 + 788338^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (974156003663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16741305 + ... + 16799392.

It is an arithmetic number, because the mean of its divisors is an integer number (72900707103).

Almost surely, 2^974156003668 is an apocalyptic number.

It is an amenable number.

974156003668 is a deficient number, since it is larger than the sum of its proper divisors (775460966804).

974156003668 is a wasteful number, since it uses less digits than its factorization.

974156003668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33540891 (or 33540889 counting only the distinct ones).

The product of its (nonzero) digits is 6531840, while the sum is 55.

The spelling of 974156003668 in words is "nine hundred seventy-four billion, one hundred fifty-six million, three thousand, six hundred sixty-eight".