17206764990 has 32 divisors (see below), whose sum is σ = 43469723520. Its totient is φ = 4346972064.

The previous prime is 17206764989. The next prime is 17206764997. The reversal of 17206764990 is 9946760271.

It is a super-2 number, since 2×17206764990² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (17206764997) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15093084 + ... + 15094223.

It is an arithmetic number, because the mean of its divisors is an integer number (1358428860).

Almost surely, 2^17206764990 is an apocalyptic number.

17206764990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

17206764990 is an abundant number, since it is smaller than the sum of its proper divisors (26262958530).

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

17206764990 is a wasteful number, since it uses less digits than its factorization.

17206764990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30187336.

The product of its (nonzero) digits is 1143072, while the sum is 51.

The spelling of 17206764990 in words is "seventeen billion, two hundred six million, seven hundred sixty-four thousand, nine hundred ninety".