1674413661 has 16 divisors (see below), whose sum is σ = 2275430400. Its totient is φ = 1094995440.

The previous prime is 1674413659. The next prime is 1674413701. The reversal of 1674413661 is 1663144761.

It is not a de Polignac number, because 1674413661 - 2¹ = 1674413659 is a prime.

It is a super-2 number, since 2×1674413661² = 5607322216286845842, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1674413621) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 22636 + ... + 62138.

It is an arithmetic number, because the mean of its divisors is an integer number (142214400).

Almost surely, 2^1674413661 is an apocalyptic number.

It is an amenable number.

1674413661 is a deficient number, since it is larger than the sum of its proper divisors (601016739).

1674413661 is a wasteful number, since it uses less digits than its factorization.

1674413661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39776.

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

The square root of 1674413661 is about 40919.5999613877. The cubic root of 1674413661 is about 1187.4652780392.

The spelling of 1674413661 in words is "one billion, six hundred seventy-four million, four hundred thirteen thousand, six hundred sixty-one".