7661834369672 has 96 divisors (see below), whose sum is σ = 17505838869120. Its totient is φ = 3128653946880.

The previous prime is 7661834369663. The next prime is 7661834369689. The reversal of 7661834369672 is 2769634381667.

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, 663797 + ... + 3970427.

It is an arithmetic number, because the mean of its divisors is an integer number (182352488220).

Almost surely, 2^{7661834369672} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7661834369672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8752919434560).

7661834369672 is an abundant number, since it is smaller than the sum of its proper divisors (9844004499448).

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

7661834369672 is a wasteful number, since it uses less digits than its factorization.

7661834369672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3306931 (or 3306920 counting only the distinct ones).

The product of its digits is 329204736, while the sum is 68.

The spelling of 7661834369672 in words is "seven trillion, six hundred sixty-one billion, eight hundred thirty-four million, three hundred sixty-nine thousand, six hundred seventy-two".