532161123819 has 32 divisors (see below), whose sum is σ = 804497971200. Its totient is φ = 310189201920.

The previous prime is 532161123779. The next prime is 532161123839. The reversal of 532161123819 is 918321161235.

It is a happy number.

It is not a de Polignac number, because 532161123819 - 2³¹ = 530013640171 is a prime.

It is a super-2 number, since 2×532161123819² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (532161123839) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4026022 + ... + 4156100.

It is an arithmetic number, because the mean of its divisors is an integer number (25140561600).

Almost surely, 2^532161123819 is an apocalyptic number.

532161123819 is a deficient number, since it is larger than the sum of its proper divisors (272336847381).

532161123819 is a wasteful number, since it uses less digits than its factorization.

532161123819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135635.

The product of its digits is 77760, while the sum is 42.

The spelling of 532161123819 in words is "five hundred thirty-two billion, one hundred sixty-one million, one hundred twenty-three thousand, eight hundred nineteen".