1616474072412 has 72 divisors (see below), whose sum is σ = 4160309536656. Its totient is φ = 529102174464.

The previous prime is 1616474072333. The next prime is 1616474072417. The reversal of 1616474072412 is 2142704746161.

1616474072412 is a `hidden beast` number, since 1 + 6 + 164 + 7 + 4 + 0 + 72 + 412 = 666.

It is a super-2 number, since 2×1616474072412² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1616474072417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 758283 + ... + 1951394.

It is an arithmetic number, because the mean of its divisors is an integer number (57782076898).

Almost surely, 2^{1616474072412} is an apocalyptic number.

1616474072412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1616474072412 is an abundant number, since it is smaller than the sum of its proper divisors (2543835464244).

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

1616474072412 is a wasteful number, since it uses less digits than its factorization.

1616474072412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2709987 (or 2709982 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 45.

The spelling of 1616474072412 in words is "one trillion, six hundred sixteen billion, four hundred seventy-four million, seventy-two thousand, four hundred twelve".