1601614320 has 80 divisors (see below), whose sum is σ = 5136233760. Its totient is φ = 412367872.

The previous prime is 1601614307. The next prime is 1601614337. The reversal of 1601614320 is 234161061.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 108099 + ... + 122018.

It is an arithmetic number, because the mean of its divisors is an integer number (64202922).

Almost surely, 2^1601614320 is an apocalyptic number.

1601614320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1601614320 is an abundant number, since it is smaller than the sum of its proper divisors (3534619440).

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

1601614320 is a wasteful number, since it uses less digits than its factorization.

1601614320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230162 (or 230156 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 1601614320 is about 40020.1739126656. The cubic root of 1601614320 is about 1170.0003214259. Note that the first 3 decimals are identical.

Adding to 1601614320 its reverse (234161061), we get a palindrome (1835775381).

The spelling of 1601614320 in words is "one billion, six hundred one million, six hundred fourteen thousand, three hundred twenty".