1652116590 has 48 divisors (see below), whose sum is σ = 4338056736. Its totient is φ = 436200000.

The previous prime is 1652116589. The next prime is 1652116673. The reversal of 1652116590 is 956112561.

1652116590 is a `hidden beast` number, since 1 + 6 + 52 + 1 + 16 + 590 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 81786 + ... + 99965.

It is an arithmetic number, because the mean of its divisors is an integer number (90376182).

Almost surely, 2^1652116590 is an apocalyptic number.

1652116590 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1652116590 is an abundant number, since it is smaller than the sum of its proper divisors (2685940146).

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

1652116590 is a wasteful number, since it uses less digits than its factorization.

1652116590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181865 (or 181862 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 36.

The square root of 1652116590 is about 40646.2370952097. The cubic root of 1652116590 is about 1182.1708076829.

The spelling of 1652116590 in words is "one billion, six hundred fifty-two million, one hundred sixteen thousand, five hundred ninety".