1616613474 has 32 divisors (see below), whose sum is σ = 3731711616. Its totient is φ = 457315200.

The previous prime is 1616613469. The next prime is 1616613539. The reversal of 1616613474 is 4743166161.

It is a super-2 number, since 2×1616613474² = 5226878248636697352, which contains 22 as substring.

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, 186307 + ... + 194790.

It is an arithmetic number, because the mean of its divisors is an integer number (116615988).

Almost surely, 2^1616613474 is an apocalyptic number.

1616613474 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1616613474 is an abundant number, since it is smaller than the sum of its proper divisors (2115098142).

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

1616613474 is a wasteful number, since it uses less digits than its factorization.

1616613474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381210.

The product of its digits is 72576, while the sum is 39.

The square root of 1616613474 is about 40207.1321285167. The cubic root of 1616613474 is about 1173.6413386441.

The spelling of 1616613474 in words is "one billion, six hundred sixteen million, six hundred thirteen thousand, four hundred seventy-four".