1616254222051 has 16 divisors (see below), whose sum is σ = 1849656614400. Its totient is φ = 1383479621568.

The previous prime is 1616254222049. The next prime is 1616254222069. The reversal of 1616254222051 is 1502224526161.

It is a cyclic number.

It is not a de Polignac number, because 1616254222051 - 2¹ = 1616254222049 is a prime.

It is a super-2 number, since 2×1616254222051² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1616254222051.

It is not an unprimeable number, because it can be changed into a prime (1616254222021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41849316 + ... + 41887918.

It is an arithmetic number, because the mean of its divisors is an integer number (115603538400).

Almost surely, 2^{1616254222051} is an apocalyptic number.

1616254222051 is a deficient number, since it is larger than the sum of its proper divisors (233402392349).

1616254222051 is an equidigital number, since it uses as much as digits as its factorization.

1616254222051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46578.

The product of its (nonzero) digits is 57600, while the sum is 37.

The spelling of 1616254222051 in words is "one trillion, six hundred sixteen billion, two hundred fifty-four million, two hundred twenty-two thousand, fifty-one".