65431016 has 16 divisors (see below), whose sum is σ = 140209440. Its totient is φ = 28041840.

The previous prime is 65430997. The next prime is 65431031. The reversal of 65431016 is 61013456.

It is a super-3 number, since 3×65431016³ (a number of 24 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 584150 + ... + 584261.

It is an arithmetic number, because the mean of its divisors is an integer number (8763090).

Almost surely, 2^65431016 is an apocalyptic number.

It is an amenable number.

65431016 is an abundant number, since it is smaller than the sum of its proper divisors (74778424).

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

65431016 is a wasteful number, since it uses less digits than its factorization.

65431016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1168424 (or 1168420 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 65431016 is about 8088.9440596409. The cubic root of 65431016 is about 402.9593351781.

The spelling of 65431016 in words is "sixty-five million, four hundred thirty-one thousand, sixteen".