981961366622 has 8 divisors (see below), whose sum is σ = 1474024303872. Its totient is φ = 490619932000.

The previous prime is 981961366621. The next prime is 981961366657. The reversal of 981961366622 is 226663169189.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (981961366621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 180372254 + ... + 180377697.

It is an arithmetic number, because the mean of its divisors is an integer number (184253037984).

Almost surely, 2^981961366622 is an apocalyptic number.

981961366622 is a deficient number, since it is larger than the sum of its proper divisors (492062937250).

981961366622 is a wasteful number, since it uses less digits than its factorization.

981961366622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360751314.

The product of its digits is 10077696, while the sum is 59.

The spelling of 981961366622 in words is "nine hundred eighty-one billion, nine hundred sixty-one million, three hundred sixty-six thousand, six hundred twenty-two".