2101665234 has 8 divisors (see below), whose sum is σ = 4203330480. Its totient is φ = 700555076.

The previous prime is 2101665211. The next prime is 2101665277. The reversal of 2101665234 is 4325661012.

It is a sphenic number, since it is the product of 3 distinct primes.

2101665234 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 175138764 + ... + 175138775.

It is an arithmetic number, because the mean of its divisors is an integer number (525416310).

Almost surely, 2^2101665234 is an apocalyptic number.

2101665234 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2101665234 is a wasteful number, since it uses less digits than its factorization.

2101665234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350277544.

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

The square root of 2101665234 is about 45843.9225415976. The cubic root of 2101665234 is about 1280.9175619009.

The spelling of 2101665234 in words is "two billion, one hundred one million, six hundred sixty-five thousand, two hundred thirty-four".