2188651146 has 32 divisors (see below), whose sum is σ = 4814721216. Its totient is φ = 663225200.

The previous prime is 2188651139. The next prime is 2188651151. The reversal of 2188651146 is 6411568812.

It is a super-2 number, since 2×2188651146² = 9580387677774226632, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2188651098 and 2188651107.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 129045 + ... + 145016.

It is an arithmetic number, because the mean of its divisors is an integer number (150460038).

Almost surely, 2^2188651146 is an apocalyptic number.

2188651146 is an abundant number, since it is smaller than the sum of its proper divisors (2626070070).

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

2188651146 is a wasteful number, since it uses less digits than its factorization.

2188651146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274099 (or 274077 counting only the distinct ones).

The product of its digits is 92160, while the sum is 42.

The square root of 2188651146 is about 46783.0219844764. The cubic root of 2188651146 is about 1298.3511929151.

The spelling of 2188651146 in words is "two billion, one hundred eighty-eight million, six hundred fifty-one thousand, one hundred forty-six".