456680747081 has 16 divisors (see below), whose sum is σ = 492350725440. Its totient is φ = 421088310720.

The previous prime is 456680747077. The next prime is 456680747153. The reversal of 456680747081 is 180747086654.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 456680747081 - 2² = 456680747077 is a prime.

It is a super-2 number, since 2×456680747081² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (456680747011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54085646 + ... + 54094088.

It is an arithmetic number, because the mean of its divisors is an integer number (30771920340).

Almost surely, 2^456680747081 is an apocalyptic number.

It is an amenable number.

456680747081 is a deficient number, since it is larger than the sum of its proper divisors (35669978359).

456680747081 is a wasteful number, since it uses less digits than its factorization.

456680747081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12536.

The product of its (nonzero) digits is 9031680, while the sum is 56.

The spelling of 456680747081 in words is "four hundred fifty-six billion, six hundred eighty million, seven hundred forty-seven thousand, eighty-one".