2106705632 has 24 divisors (see below), whose sum is σ = 4150125000. Its totient is φ = 1052705664.

The previous prime is 2106705619. The next prime is 2106705641. The reversal of 2106705632 is 2365076012.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent 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, 34994 + ... + 73742.

It is an arithmetic number, because the mean of its divisors is an integer number (172921875).

Almost surely, 2^2106705632 is an apocalyptic number.

It is an amenable number.

2106705632 is a deficient number, since it is larger than the sum of its proper divisors (2043419368).

2106705632 is a wasteful number, since it uses less digits than its factorization.

2106705632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40458 (or 40450 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 2106705632 is about 45898.8630796014. The cubic root of 2106705632 is about 1281.9407473407.

The spelling of 2106705632 in words is "two billion, one hundred six million, seven hundred five thousand, six hundred thirty-two".