16401611330 has 32 divisors (see below), whose sum is σ = 31867429104. Its totient is φ = 6041972736.

The previous prime is 16401611327. The next prime is 16401611363. The reversal of 16401611330 is 3311610461.

16401611330 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 861246409 + 15540364921 = 29347^2 + 124661^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a self number, because there is not a number n which added to its sum of digits gives 16401611330.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89399 + ... + 201978.

Almost surely, 2^16401611330 is an apocalyptic number.

16401611330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16401611330 is a deficient number, since it is larger than the sum of its proper divisors (15465817774).

16401611330 is a wasteful number, since it uses less digits than its factorization.

16401611330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291830.

The product of its (nonzero) digits is 1296, while the sum is 26.

The spelling of 16401611330 in words is "sixteen billion, four hundred one million, six hundred eleven thousand, three hundred thirty".