2106897356732 has 24 divisors (see below), whose sum is σ = 4252453386720. Its totient is φ = 894672008640.

The previous prime is 2106897356713. The next prime is 2106897356737. The reversal of 2106897356732 is 2376537986012.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2106897356737) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 345163619 + ... + 345169722.

It is an arithmetic number, because the mean of its divisors is an integer number (177185557780).

Almost surely, 2^{2106897356732} is an apocalyptic number.

It is an amenable number.

2106897356732 is an abundant number, since it is smaller than the sum of its proper divisors (2145556029988).

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

2106897356732 is a wasteful number, since it uses less digits than its factorization.

2106897356732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 690333461 (or 690333459 counting only the distinct ones).

The product of its (nonzero) digits is 22861440, while the sum is 59.

The spelling of 2106897356732 in words is "two trillion, one hundred six billion, eight hundred ninety-seven million, three hundred fifty-six thousand, seven hundred thirty-two".