326131561206 has 48 divisors (see below), whose sum is σ = 771578018640. Its totient is φ = 98735232960.

The previous prime is 326131561163. The next prime is 326131561213. The reversal of 326131561206 is 602165131623.

326131561206 is a `hidden beast` number, since 3 + 2 + 6 + 1 + 31 + 5 + 612 + 0 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 558745 + ... + 982068.

It is an arithmetic number, because the mean of its divisors is an integer number (16074542055).

Almost surely, 2^326131561206 is an apocalyptic number.

326131561206 is an abundant number, since it is smaller than the sum of its proper divisors (445446457434).

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

326131561206 is a wasteful number, since it uses less digits than its factorization.

326131561206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1541901 (or 1541898 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

Adding to 326131561206 its reverse (602165131623), we get a palindrome (928296692829).

The spelling of 326131561206 in words is "three hundred twenty-six billion, one hundred thirty-one million, five hundred sixty-one thousand, two hundred six".