2116653402 has 32 divisors (see below), whose sum is σ = 4381724160. Its totient is φ = 680938560.

The previous prime is 2116653401. The next prime is 2116653431. The reversal of 2116653402 is 2043566112.

It is a self number, because there is not a number n which added to its sum of digits gives 2116653402.

It is not an unprimeable number, because it can be changed into a prime (2116653401) 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, 54124 + ... + 84632.

It is an arithmetic number, because the mean of its divisors is an integer number (136928880).

Almost surely, 2^2116653402 is an apocalyptic number.

2116653402 is an abundant number, since it is smaller than the sum of its proper divisors (2265070758).

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

2116653402 is a wasteful number, since it uses less digits than its factorization.

2116653402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30918.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 2116653402 is about 46007.1016474631. The cubic root of 2116653402 is about 1283.9553353996.

The spelling of 2116653402 in words is "two billion, one hundred sixteen million, six hundred fifty-three thousand, four hundred two".