161940490062 has 32 divisors (see below), whose sum is σ = 349421198112. Its totient is φ = 49738372224.

The previous prime is 161940490007. The next prime is 161940490067. The reversal of 161940490062 is 260094049161.

It is a junction number, because it is equal to n+sod(n) for n = 161940489996 and 161940490023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161940490067) 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, 1820253 + ... + 1907144.

It is an arithmetic number, because the mean of its divisors is an integer number (10919412441).

Almost surely, 2^161940490062 is an apocalyptic number.

161940490062 is an abundant number, since it is smaller than the sum of its proper divisors (187480708050).

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

161940490062 is a wasteful number, since it uses less digits than its factorization.

161940490062 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3727972.

The product of its (nonzero) digits is 93312, while the sum is 42.

The spelling of 161940490062 in words is "one hundred sixty-one billion, nine hundred forty million, four hundred ninety thousand, sixty-two".