1961683462968 has 16 divisors (see below), whose sum is σ = 4904208657480. Its totient is φ = 653894487648.

The previous prime is 1961683462967. The next prime is 1961683463057. The reversal of 1961683462968 is 8692643861691.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1961683462967) 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, 40868405455 + ... + 40868405502.

Almost surely, 2^{1961683462968} is an apocalyptic number.

It is an amenable number.

1961683462968 is an abundant number, since it is smaller than the sum of its proper divisors (2942525194512).

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

1961683462968 is a wasteful number, since it uses less digits than its factorization.

1961683462968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81736810966 (or 81736810962 counting only the distinct ones).

The product of its digits is 161243136, while the sum is 69.

The spelling of 1961683462968 in words is "one trillion, nine hundred sixty-one billion, six hundred eighty-three million, four hundred sixty-two thousand, nine hundred sixty-eight".