766473155553 has 24 divisors (see below), whose sum is σ = 1258745834592. Its totient is φ = 412220855424.

The previous prime is 766473155521. The next prime is 766473155557. The reversal of 766473155553 is 355551374667.

It is not a de Polignac number, because 766473155553 - 2⁵ = 766473155521 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 766473155493 and 766473155502.

It is not an unprimeable number, because it can be changed into a prime (766473155557) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 153353475 + ... + 153358472.

It is an arithmetic number, because the mean of its divisors is an integer number (52447743108).

Almost surely, 2^766473155553 is an apocalyptic number.

It is an amenable number.

766473155553 is a deficient number, since it is larger than the sum of its proper divisors (492272679039).

766473155553 is a wasteful number, since it uses less digits than its factorization.

766473155553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306711981 (or 306711974 counting only the distinct ones).

The product of its digits is 39690000, while the sum is 57.

The spelling of 766473155553 in words is "seven hundred sixty-six billion, four hundred seventy-three million, one hundred fifty-five thousand, five hundred fifty-three".