83261216 has 12 divisors (see below), whose sum is σ = 163920582. Its totient is φ = 41630592.

The previous prime is 83261207. The next prime is 83261263. The reversal of 83261216 is 61216238.

It can be written as a sum of positive squares in only one way, i.e., 42250000 + 41011216 = 6500^2 + 6404^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1300925 + ... + 1300988.

Almost surely, 2^83261216 is an apocalyptic number.

It is an amenable number.

83261216 is a deficient number, since it is larger than the sum of its proper divisors (80659366).

83261216 is a wasteful number, since it uses less digits than its factorization.

83261216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2601923 (or 2601915 counting only the distinct ones).

The product of its digits is 3456, while the sum is 29.

The square root of 83261216 is about 9124.7584077607. The cubic root of 83261216 is about 436.6641954162.

The spelling of 83261216 in words is "eighty-three million, two hundred sixty-one thousand, two hundred sixteen".