761738166 has 48 divisors (see below), whose sum is σ = 1937199264. Its totient is φ = 211756032.

The previous prime is 761738147. The next prime is 761738167. The reversal of 761738166 is 661837167.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (761738167) 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, 77035 + ... + 86358.

It is an arithmetic number, because the mean of its divisors is an integer number (40358318).

Almost surely, 2^761738166 is an apocalyptic number.

761738166 is an abundant number, since it is smaller than the sum of its proper divisors (1175461098).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

761738166 is a wasteful number, since it uses less digits than its factorization.

761738166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163445 (or 163442 counting only the distinct ones).

The product of its digits is 254016, while the sum is 45.

The square root of 761738166 is about 27599.6044536874. The cubic root of 761738166 is about 913.2757063409.

Subtracting from 761738166 its reverse (661837167), we obtain a palindrome (99900999).

The spelling of 761738166 in words is "seven hundred sixty-one million, seven hundred thirty-eight thousand, one hundred sixty-six".