2156070616 has 16 divisors (see below), whose sum is σ = 4620151440. Its totient is φ = 924030240.

The previous prime is 2156070613. The next prime is 2156070617. The reversal of 2156070616 is 6160706512.

It is a happy number.

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 3 ways as a sum of consecutive naturals, for example, 19250575 + ... + 19250686.

It is an arithmetic number, because the mean of its divisors is an integer number (288759465).

Almost surely, 2^2156070616 is an apocalyptic number.

It is an amenable number.

2156070616 is an abundant number, since it is smaller than the sum of its proper divisors (2464080824).

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

2156070616 is a wasteful number, since it uses less digits than its factorization.

2156070616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38501274 (or 38501270 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 2156070616 is about 46433.5074703602. The cubic root of 2156070616 is about 1291.8764862580.

The spelling of 2156070616 in words is "two billion, one hundred fifty-six million, seventy thousand, six hundred sixteen".