3321613157 has 8 divisors (see below), whose sum is σ = 3345045120. Its totient is φ = 3298261120.

The previous prime is 3321613151. The next prime is 3321613171. The reversal of 3321613157 is 7513161233.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3321613157 - 2²⁰ = 3320564581 is a prime.

It is a super-2 number, since 2×3321613157² = 22066227929511013298, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3321613151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64682 + ... + 104052.

It is an arithmetic number, because the mean of its divisors is an integer number (418130640).

Almost surely, 2^3321613157 is an apocalyptic number.

It is an amenable number.

3321613157 is a deficient number, since it is larger than the sum of its proper divisors (23431963).

3321613157 is a wasteful number, since it uses less digits than its factorization.

3321613157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39963.

The product of its digits is 11340, while the sum is 32.

The square root of 3321613157 is about 57633.4378377691. The cubic root of 3321613157 is about 1492.0487644494.

The spelling of 3321613157 in words is "three billion, three hundred twenty-one million, six hundred thirteen thousand, one hundred fifty-seven".