1616005217155 has 32 divisors (see below), whose sum is σ = 2246088803328. Its totient is φ = 1093268880000.

The previous prime is 1616005217147. The next prime is 1616005217159. The reversal of 1616005217155 is 5517125006161.

It is not a de Polignac number, because 1616005217155 - 2³ = 1616005217147 is a prime.

It is a super-2 number, since 2×1616005217155² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1616005217159) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 192730 + ... + 1808080.

It is an arithmetic number, because the mean of its divisors is an integer number (70190275104).

Almost surely, 2^{1616005217155} is an apocalyptic number.

1616005217155 is a deficient number, since it is larger than the sum of its proper divisors (630083586173).

1616005217155 is a wasteful number, since it uses less digits than its factorization.

1616005217155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1615747.

The product of its (nonzero) digits is 63000, while the sum is 40.

The spelling of 1616005217155 in words is "one trillion, six hundred sixteen billion, five million, two hundred seventeen thousand, one hundred fifty-five".