161033403015532 has 12 divisors (see below), whose sum is σ = 281808546986736. Its totient is φ = 80516675305040.

The previous prime is 161033403015517. The next prime is 161033403015539. The reversal of 161033403015532 is 235510304330161.

It is a junction number, because it is equal to n+sod(n) for n = 161033403015491 and 161033403015500.

It is not an unprimeable number, because it can be changed into a prime (161033403015539) 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, 15597657 + ... + 23777167.

It is an arithmetic number, because the mean of its divisors is an integer number (23484045582228).

Almost surely, 2^{161033403015532} is an apocalyptic number.

It is an amenable number.

161033403015532 is a deficient number, since it is larger than the sum of its proper divisors (120775143971204).

161033403015532 is a wasteful number, since it uses less digits than its factorization.

161033403015532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13101368 (or 13101366 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 37.

Adding to 161033403015532 its reverse (235510304330161), we get a palindrome (396543707345693).

The spelling of 161033403015532 in words is "one hundred sixty-one trillion, thirty-three billion, four hundred three million, fifteen thousand, five hundred thirty-two".