1616105512 has 32 divisors (see below), whose sum is σ = 3477481920. Its totient is φ = 689736960.

The previous prime is 1616105503. The next prime is 1616105531. The reversal of 1616105512 is 2155016161.

It is a happy number.

It is a super-2 number, since 2×1616105512² = 5223594051833564288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46378 + ... + 73369.

It is an arithmetic number, because the mean of its divisors is an integer number (108671310).

Almost surely, 2^1616105512 is an apocalyptic number.

It is an amenable number.

1616105512 is an abundant number, since it is smaller than the sum of its proper divisors (1861376408).

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

1616105512 is a wasteful number, since it uses less digits than its factorization.

1616105512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120001 (or 119997 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 28.

The square root of 1616105512 is about 40200.8148176128. The cubic root of 1616105512 is about 1173.5184010623.

The spelling of 1616105512 in words is "one billion, six hundred sixteen million, one hundred five thousand, five hundred twelve".