766236916 has 6 divisors (see below), whose sum is σ = 1340914610. Its totient is φ = 383118456.

The previous prime is 766236901. The next prime is 766236923. The reversal of 766236916 is 619632667.

It can be written as a sum of positive squares in only one way, i.e., 388090000 + 378146916 = 19700^2 + 19446^2 .

It is a super-2 number, since 2×766236916² = 1174238022882382112, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95779611 + ... + 95779618.

Almost surely, 2^766236916 is an apocalyptic number.

It is an amenable number.

766236916 is a deficient number, since it is larger than the sum of its proper divisors (574677694).

766236916 is a wasteful number, since it uses less digits than its factorization.

766236916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191559233 (or 191559231 counting only the distinct ones).

The product of its digits is 489888, while the sum is 46.

The square root of 766236916 is about 27680.9847368189. The cubic root of 766236916 is about 915.0700837158.

The spelling of 766236916 in words is "seven hundred sixty-six million, two hundred thirty-six thousand, nine hundred sixteen".