1616272676440 has 64 divisors (see below), whose sum is σ = 3854678284800. Its totient is φ = 607823904768.

The previous prime is 1616272676419. The next prime is 1616272676441. The reversal of 1616272676440 is 446762726161.

It is a super-2 number, since 2×1616272676440² (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 (1616272676441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 647544 + ... + 1910983.

It is an arithmetic number, because the mean of its divisors is an integer number (60229348200).

Almost surely, 2^{1616272676440} is an apocalyptic number.

1616272676440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1616272676440 is an abundant number, since it is smaller than the sum of its proper divisors (2238405608360).

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

1616272676440 is a wasteful number, since it uses less digits than its factorization.

1616272676440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2559484 (or 2559480 counting only the distinct ones).

The product of its (nonzero) digits is 4064256, while the sum is 52.

The spelling of 1616272676440 in words is "one trillion, six hundred sixteen billion, two hundred seventy-two million, six hundred seventy-six thousand, four hundred forty".