2156070615 has 16 divisors (see below), whose sum is σ = 3560994816. Its totient is φ = 1112810400.

The previous prime is 2156070613. The next prime is 2156070617. The reversal of 2156070615 is 5160706512.

It is an interprime number because it is at equal distance from previous prime (2156070613) and next prime (2156070617).

It is not a de Polignac number, because 2156070615 - 2¹ = 2156070613 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2156070613) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2317891 + ... + 2318820.

It is an arithmetic number, because the mean of its divisors is an integer number (222562176).

Almost surely, 2^2156070615 is an apocalyptic number.

2156070615 is a deficient number, since it is larger than the sum of its proper divisors (1404924201).

2156070615 is a wasteful number, since it uses less digits than its factorization.

2156070615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4636750.

The product of its (nonzero) digits is 12600, while the sum is 33.

The square root of 2156070615 is about 46433.5074595922. The cubic root of 2156070615 is about 1291.8764860583.

The spelling of 2156070615 in words is "two billion, one hundred fifty-six million, seventy thousand, six hundred fifteen".