961698044700 has 144 divisors (see below), whose sum is σ = 3092441758560. Its totient is φ = 256389719040.

The previous prime is 961698044687. The next prime is 961698044717. The reversal of 961698044700 is 7440896169.

961698044700 is a `hidden beast` number, since 9 + 6 + 169 + 8 + 0 + 4 + 470 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11495422 + ... + 11578778.

It is an arithmetic number, because the mean of its divisors is an integer number (21475289990).

Almost surely, 2^961698044700 is an apocalyptic number.

961698044700 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 961698044700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1546220879280).

961698044700 is an abundant number, since it is smaller than the sum of its proper divisors (2130743713860).

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

961698044700 is a wasteful number, since it uses less digits than its factorization.

961698044700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87653 (or 87640 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 54.

The spelling of 961698044700 in words is "nine hundred sixty-one billion, six hundred ninety-eight million, forty-four thousand, seven hundred".