1617082045 has 16 divisors (see below), whose sum is σ = 2026363392. Its totient is φ = 1236505600.

The previous prime is 1617082009. The next prime is 1617082067. The reversal of 1617082045 is 5402807161.

It is not a de Polignac number, because 1617082045 - 2¹⁹ = 1616557757 is a prime.

It is a super-2 number, since 2×1617082045² = 5229908680522764050, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1617082045.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 179724 + ... + 188506.

It is an arithmetic number, because the mean of its divisors is an integer number (126647712).

Almost surely, 2^1617082045 is an apocalyptic number.

It is an amenable number.

1617082045 is a deficient number, since it is larger than the sum of its proper divisors (409281347).

1617082045 is a wasteful number, since it uses less digits than its factorization.

1617082045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10412.

The product of its (nonzero) digits is 13440, while the sum is 34.

The square root of 1617082045 is about 40212.9586700606. The cubic root of 1617082045 is about 1173.7547199359.

The spelling of 1617082045 in words is "one billion, six hundred seventeen million, eighty-two thousand, forty-five".