974661501506 has 64 divisors (see below), whose sum is σ = 1904711417856. Its totient is φ = 362708808000.

The previous prime is 974661501481. The next prime is 974661501523. The reversal of 974661501506 is 605105166479.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2286671 + ... + 2679213.

It is an arithmetic number, because the mean of its divisors is an integer number (29761115904).

Almost surely, 2^974661501506 is an apocalyptic number.

974661501506 is a deficient number, since it is larger than the sum of its proper divisors (930049916350).

974661501506 is a wasteful number, since it uses less digits than its factorization.

974661501506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393287.

The product of its (nonzero) digits is 1360800, while the sum is 50.

The spelling of 974661501506 in words is "nine hundred seventy-four billion, six hundred sixty-one million, five hundred one thousand, five hundred six".