2190995016 has 48 divisors (see below), whose sum is σ = 6371774640. Its totient is φ = 625998240.

The previous prime is 2190994999. The next prime is 2190995041. The reversal of 2190995016 is 6105990912.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 930370 + ... + 932721.

It is an arithmetic number, because the mean of its divisors is an integer number (132745305).

Almost surely, 2^2190995016 is an apocalyptic number.

It is an amenable number.

2190995016 is an abundant number, since it is smaller than the sum of its proper divisors (4180779624).

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

2190995016 is a wasteful number, since it uses less digits than its factorization.

2190995016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1863114 (or 1863103 counting only the distinct ones).

The product of its (nonzero) digits is 43740, while the sum is 42.

The square root of 2190995016 is about 46808.0657152162. The cubic root of 2190995016 is about 1298.8145042614.

It can be divided in two parts, 219099 and 5016, that added together give a triangular number (224115 = T₆₆₉).

The spelling of 2190995016 in words is "two billion, one hundred ninety million, nine hundred ninety-five thousand, sixteen".