2156017152 has 40 divisors (see below), whose sum is σ = 5743768536. Its totient is φ = 718671872.

The previous prime is 2156017147. The next prime is 2156017159. The reversal of 2156017152 is 2517106512.

It is a super-2 number, since 2×2156017152² = 9296819919436382208, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2156017159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 700293 + ... + 703364.

Almost surely, 2^2156017152 is an apocalyptic number.

It is an amenable number.

2156017152 is an abundant number, since it is smaller than the sum of its proper divisors (3587751384).

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

2156017152 is an equidigital number, since it uses as much as digits as its factorization.

2156017152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1403678 (or 1403662 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 30.

The square root of 2156017152 is about 46432.9317618433. The cubic root of 2156017152 is about 1291.8658079659.

The spelling of 2156017152 in words is "two billion, one hundred fifty-six million, seventeen thousand, one hundred fifty-two".