420660500061574 has 4 divisors (see below), whose sum is σ = 630990750092364. Its totient is φ = 210330250030786.

The previous prime is 420660500061569. The next prime is 420660500061643. The reversal of 420660500061574 is 475160005066024.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105165125015392 + ... + 105165125015395.

It is an arithmetic number, because the mean of its divisors is an integer number (157747687523091).

Almost surely, 2^{420660500061574} is an apocalyptic number.

420660500061574 is a deficient number, since it is larger than the sum of its proper divisors (210330250030790).

420660500061574 is a wasteful number, since it uses less digits than its factorization.

420660500061574 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210330250030789.

The product of its (nonzero) digits is 1209600, while the sum is 46.

The spelling of 420660500061574 in words is "four hundred twenty trillion, six hundred sixty billion, five hundred million, sixty-one thousand, five hundred seventy-four".