1961600431177 has 8 divisors (see below), whose sum is σ = 1989270194112. Its totient is φ = 1933931823600.

The previous prime is 1961600431127. The next prime is 1961600431213. The reversal of 1961600431177 is 7711340061691.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1961600431177 - 2¹⁵ = 1961600398409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1961600431127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3474027 + ... + 3999007.

It is an arithmetic number, because the mean of its divisors is an integer number (248658774264).

Almost surely, 2^{1961600431177} is an apocalyptic number.

It is an amenable number.

1961600431177 is a deficient number, since it is larger than the sum of its proper divisors (27669762935).

1961600431177 is an equidigital number, since it uses as much as digits as its factorization.

1961600431177 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 577679.

The product of its (nonzero) digits is 190512, while the sum is 46.

The spelling of 1961600431177 in words is "one trillion, nine hundred sixty-one billion, six hundred million, four hundred thirty-one thousand, one hundred seventy-seven".