766555416 has 48 divisors (see below), whose sum is σ = 2264825160. Its totient is φ = 232289280.

The previous prime is 766555411. The next prime is 766555423. The reversal of 766555416 is 614555667.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (766555411) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 483145 + ... + 484728.

Almost surely, 2^766555416 is an apocalyptic number.

It is an amenable number.

766555416 is an abundant number, since it is smaller than the sum of its proper divisors (1498269744).

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

766555416 is a wasteful number, since it uses less digits than its factorization.

766555416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 967896 (or 967889 counting only the distinct ones).

The product of its digits is 756000, while the sum is 45.

The square root of 766555416 is about 27686.7371858802. The cubic root of 766555416 is about 915.1968545369.

It can be divided in two parts, 7665554 and 16, that added together give a triangular number (7665570 = T₃₉₁₅).

The spelling of 766555416 in words is "seven hundred sixty-six million, five hundred fifty-five thousand, four hundred sixteen".