455216581634 has 16 divisors (see below), whose sum is σ = 687433967640. Its totient is φ = 226075607040.

The previous prime is 455216581621. The next prime is 455216581663. The reversal of 455216581634 is 436185612554.

It can be written as a sum of positive squares in 4 ways, for example, as 370451170609 + 84765411025 = 608647^2 + 291145^2 .

It is a super-2 number, since 2×455216581634² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 672479 + ... + 1167330.

Almost surely, 2^455216581634 is an apocalyptic number.

455216581634 is a deficient number, since it is larger than the sum of its proper divisors (232217386006).

455216581634 is a wasteful number, since it uses less digits than its factorization.

455216581634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1840645.

The product of its digits is 3456000, while the sum is 50.

The spelling of 455216581634 in words is "four hundred fifty-five billion, two hundred sixteen million, five hundred eighty-one thousand, six hundred thirty-four".