2116553442 has 16 divisors (see below), whose sum is σ = 4233832032. Its totient is φ = 705396960.

The previous prime is 2116553437. The next prime is 2116553471. The reversal of 2116553442 is 2443556112.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12342 + ... + 66222.

It is an arithmetic number, because the mean of its divisors is an integer number (264614502).

Almost surely, 2^2116553442 is an apocalyptic number.

2116553442 is an abundant number, since it is smaller than the sum of its proper divisors (2117278590).

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

2116553442 is a wasteful number, since it uses less digits than its factorization.

2116553442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60433.

The product of its digits is 28800, while the sum is 33.

The square root of 2116553442 is about 46006.0152806130. The cubic root of 2116553442 is about 1283.9351232736.

The spelling of 2116553442 in words is "two billion, one hundred sixteen million, five hundred fifty-three thousand, four hundred forty-two".