1650890672 has 40 divisors (see below), whose sum is σ = 3389850000. Its totient is φ = 776179712.

The previous prime is 1650890611. The next prime is 1650890699. The reversal of 1650890672 is 2760980561.

It is a super-3 number, since 3×1650890672³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 405704 + ... + 409752.

It is an arithmetic number, because the mean of its divisors is an integer number (84746250).

Almost surely, 2^1650890672 is an apocalyptic number.

It is an amenable number.

1650890672 is an abundant number, since it is smaller than the sum of its proper divisors (1738959328).

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

1650890672 is a wasteful number, since it uses less digits than its factorization.

1650890672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5573 (or 5567 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 44.

The square root of 1650890672 is about 40631.1539585082. The cubic root of 1650890672 is about 1181.8783337560.

The spelling of 1650890672 in words is "one billion, six hundred fifty million, eight hundred ninety thousand, six hundred seventy-two".