2128156006 has 16 divisors (see below), whose sum is σ = 3376662624. Its totient is φ = 1003869504.

The previous prime is 2128156001. The next prime is 2128156021. The reversal of 2128156006 is 6006518212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2128156001) 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, 313521 + ... + 320236.

It is an arithmetic number, because the mean of its divisors is an integer number (211041414).

Almost surely, 2^2128156006 is an apocalyptic number.

2128156006 is a deficient number, since it is larger than the sum of its proper divisors (1248506618).

2128156006 is a wasteful number, since it uses less digits than its factorization.

2128156006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 633855.

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 2128156006 is about 46131.9412771672. The cubic root of 2128156006 is about 1286.2769495283.

The spelling of 2128156006 in words is "two billion, one hundred twenty-eight million, one hundred fifty-six thousand, six".