766455744012141 has 64 divisors (see below), whose sum is σ = 1083112210918400. Its totient is φ = 480763134480384.

The previous prime is 766455744012097. The next prime is 766455744012149. The reversal of 766455744012141 is 141210447554667.

It is a happy number.

It is not a de Polignac number, because 766455744012141 - 2¹³ = 766455744003949 is a prime.

It is a super-2 number, since 2×766455744012141² (a number of 31 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (766455744012149) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 18776915430 + ... + 18776956248.

It is an arithmetic number, because the mean of its divisors is an integer number (16923628295600).

Almost surely, 2^{766455744012141} is an apocalyptic number.

It is an amenable number.

766455744012141 is a deficient number, since it is larger than the sum of its proper divisors (316656466906259).

766455744012141 is a wasteful number, since it uses less digits than its factorization.

766455744012141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43850.

The product of its (nonzero) digits is 22579200, while the sum is 57.

The spelling of 766455744012141 in words is "seven hundred sixty-six trillion, four hundred fifty-five billion, seven hundred forty-four million, twelve thousand, one hundred forty-one".