1616552310312 has 48 divisors (see below), whose sum is σ = 4383855976500. Its totient is φ = 538150035456.

The previous prime is 1616552310293. The next prime is 1616552310337. The reversal of 1616552310312 is 2130132556161.

1616552310312 is a `hidden beast` number, since 1 + 6 + 16 + 5 + 523 + 103 + 12 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1544069671236 + 72482639076 = 1242606^2 + 269226^2 .

It is a super-2 number, since 2×1616552310312² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 11 ways as a sum of consecutive naturals, for example, 14542887 + ... + 14653622.

Almost surely, 2^{1616552310312} is an apocalyptic number.

1616552310312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1616552310312 is an abundant number, since it is smaller than the sum of its proper divisors (2767303666188).

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

1616552310312 is a wasteful number, since it uses less digits than its factorization.

1616552310312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29197290 (or 29197283 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

Adding to 1616552310312 its reverse (2130132556161), we get a palindrome (3746684866473).

The spelling of 1616552310312 in words is "one trillion, six hundred sixteen billion, five hundred fifty-two million, three hundred ten thousand, three hundred twelve".