16120704402 has 240 divisors, whose sum is σ = 41295925440. Its totient is φ = 4693740480.

The previous prime is 16120704389. The next prime is 16120704421. The reversal of 16120704402 is 20440702161.

16120704402 is a `hidden beast` number, since 1 + 612 + 0 + 7 + 0 + 4 + 40 + 2 = 666.

It is a super-2 number, since 2×16120704402² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 61295323 + ... + 61295585.

It is an arithmetic number, because the mean of its divisors is an integer number (172066356).

Almost surely, 2^16120704402 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16120704402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20647962720).

16120704402 is an abundant number, since it is smaller than the sum of its proper divisors (25175221038).

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

16120704402 is a wasteful number, since it uses less digits than its factorization.

16120704402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411 (or 391 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The spelling of 16120704402 in words is "sixteen billion, one hundred twenty million, seven hundred four thousand, four hundred two".