495191016 has 64 divisors (see below), whose sum is σ = 1391040000. Its totient is φ = 163202688.

The previous prime is 495191009. The next prime is 495191029. The reversal of 495191016 is 610191594.

It is a super-2 number, since 2×495191016² = 490428284654224512, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6345 + ... + 32103.

It is an arithmetic number, because the mean of its divisors is an integer number (21735000).

Almost surely, 2^495191016 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 495191016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (695520000).

495191016 is an abundant number, since it is smaller than the sum of its proper divisors (895848984).

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

495191016 is a wasteful number, since it uses less digits than its factorization.

495191016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25863 (or 25853 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 36.

The square root of 495191016 is about 22252.8878125964. The cubic root of 495191016 is about 791.1477287462.

The spelling of 495191016 in words is "four hundred ninety-five million, one hundred ninety-one thousand, sixteen".