416631613 has 4 divisors (see below), whose sum is σ = 417719808. Its totient is φ = 415543420.

The previous prime is 416631583. The next prime is 416631617. The reversal of 416631613 is 316136614.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 416631613 - 2¹⁷ = 416500541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (416631617) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 543523 + ... + 544288.

It is an arithmetic number, because the mean of its divisors is an integer number (104429952).

Almost surely, 2^416631613 is an apocalyptic number.

It is an amenable number.

416631613 is a deficient number, since it is larger than the sum of its proper divisors (1088195).

416631613 is a wasteful number, since it uses less digits than its factorization.

416631613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1088194.

The product of its digits is 7776, while the sum is 31.

The square root of 416631613 is about 20411.5558691639. Note that the first 3 decimals coincide. The cubic root of 416631613 is about 746.8798452164.

The spelling of 416631613 in words is "four hundred sixteen million, six hundred thirty-one thousand, six hundred thirteen".