456155566 has 4 divisors (see below), whose sum is σ = 684233352. Its totient is φ = 228077782.

The previous prime is 456155551. The next prime is 456155593. The reversal of 456155566 is 665551654.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 665551654 = 2 ⋅332775827.

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, 114038890 + ... + 114038893.

It is an arithmetic number, because the mean of its divisors is an integer number (171058338).

Almost surely, 2^456155566 is an apocalyptic number.

456155566 is a deficient number, since it is larger than the sum of its proper divisors (228077786).

456155566 is a wasteful number, since it uses less digits than its factorization.

456155566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228077785.

The product of its digits is 540000, while the sum is 43.

The square root of 456155566 is about 21357.7987161599. The cubic root of 456155566 is about 769.7877449480.

The spelling of 456155566 in words is "four hundred fifty-six million, one hundred fifty-five thousand, five hundred sixty-six".