990966795142 has 32 divisors (see below), whose sum is σ = 1544874832800. Its totient is φ = 476169324288.

The previous prime is 990966795139. The next prime is 990966795149. The reversal of 990966795142 is 241597669099.

It is a super-3 number, since 3×990966795142³ (a number of 37 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (990966795149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41435484 + ... + 41459392.

It is an arithmetic number, because the mean of its divisors is an integer number (48277338525).

Almost surely, 2^990966795142 is an apocalyptic number.

990966795142 is a deficient number, since it is larger than the sum of its proper divisors (553908037658).

990966795142 is a wasteful number, since it uses less digits than its factorization.

990966795142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27240.

The product of its (nonzero) digits is 66134880, while the sum is 67.

The spelling of 990966795142 in words is "nine hundred ninety billion, nine hundred sixty-six million, seven hundred ninety-five thousand, one hundred forty-two".