1016644662 has 48 divisors (see below), whose sum is σ = 2483280240. Its totient is φ = 308072160.

The previous prime is 1016644649. The next prime is 1016644663. The reversal of 1016644662 is 2664466101.

1016644662 is a `hidden beast` number, since 1 + 0 + 1 + 6 + 644 + 6 + 6 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1016644663) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 71263 + ... + 84330.

It is an arithmetic number, because the mean of its divisors is an integer number (51735005).

Almost surely, 2^1016644662 is an apocalyptic number.

1016644662 is an abundant number, since it is smaller than the sum of its proper divisors (1466635578).

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

1016644662 is a wasteful number, since it uses less digits than its factorization.

1016644662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155626 (or 155609 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 1016644662 is about 31884.8657202755. The cubic root of 1016644662 is about 1005.5177194427.

The spelling of 1016644662 in words is "one billion, sixteen million, six hundred forty-four thousand, six hundred sixty-two".