161281012202862 has 32 divisors (see below), whose sum is σ = 325578027889152. Its totient is φ = 53257674490944.

The previous prime is 161281012202801. The next prime is 161281012202887. The reversal of 161281012202862 is 268202210182161.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 215059698 + ... + 215808330.

It is an arithmetic number, because the mean of its divisors is an integer number (10174313371536).

Almost surely, 2^{161281012202862} is an apocalyptic number.

161281012202862 is an abundant number, since it is smaller than the sum of its proper divisors (164297015686290).

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

161281012202862 is a wasteful number, since it uses less digits than its factorization.

161281012202862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1084312.

The product of its (nonzero) digits is 73728, while the sum is 42.

The spelling of 161281012202862 in words is "one hundred sixty-one trillion, two hundred eighty-one billion, twelve million, two hundred two thousand, eight hundred sixty-two".