6456172531206 has 64 divisors (see below), whose sum is σ = 13645513728000. Its totient is φ = 2030768153856.

The previous prime is 6456172531199. The next prime is 6456172531219. The reversal of 6456172531206 is 6021352716546.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37192891 + ... + 37366073.

It is an arithmetic number, because the mean of its divisors is an integer number (213211152000).

Almost surely, 2^{6456172531206} is an apocalyptic number.

6456172531206 is an abundant number, since it is smaller than the sum of its proper divisors (7189341196794).

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

6456172531206 is a wasteful number, since it uses less digits than its factorization.

6456172531206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174493.

The product of its (nonzero) digits is 1814400, while the sum is 48.

The spelling of 6456172531206 in words is "six trillion, four hundred fifty-six billion, one hundred seventy-two million, five hundred thirty-one thousand, two hundred six".