451661102 has 4 divisors (see below), whose sum is σ = 677491656. Its totient is φ = 225830550.

The previous prime is 451661087. The next prime is 451661123. The reversal of 451661102 is 201166154.

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 polite number, since it can be written as a sum of consecutive naturals, namely, 112915274 + ... + 112915277.

It is an arithmetic number, because the mean of its divisors is an integer number (169372914).

Almost surely, 2^451661102 is an apocalyptic number.

451661102 is a deficient number, since it is larger than the sum of its proper divisors (225830554).

451661102 is a wasteful number, since it uses less digits than its factorization.

451661102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225830553.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 451661102 is about 21252.3199204228. The cubic root of 451661102 is about 767.2511768957.

The spelling of 451661102 in words is "four hundred fifty-one million, six hundred sixty-one thousand, one hundred two".