1641614560 has 24 divisors (see below), whose sum is σ = 3878314776. Its totient is φ = 656645760.

The previous prime is 1641614551. The next prime is 1641614561. The reversal of 1641614560 is 654161461.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1641614561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5129886 + ... + 5130205.

It is an arithmetic number, because the mean of its divisors is an integer number (161596449).

Almost surely, 2^1641614560 is an apocalyptic number.

1641614560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1641614560 is an abundant number, since it is smaller than the sum of its proper divisors (2236700216).

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

1641614560 is a wasteful number, since it uses less digits than its factorization.

1641614560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10260106 (or 10260098 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 1641614560 is about 40516.8429174831. The cubic root of 1641614560 is about 1179.6605745947.

It can be divided in two parts, 16416 and 14560, that added together give a square (30976 = 176²).

The spelling of 1641614560 in words is "one billion, six hundred forty-one million, six hundred fourteen thousand, five hundred sixty".