161529445014 has 48 divisors (see below), whose sum is σ = 376880238000. Its totient is φ = 46019002176.

The previous prime is 161529444997. The next prime is 161529445031. The reversal of 161529445014 is 410544925161.

It is an interprime number because it is at equal distance from previous prime (161529444997) and next prime (161529445031).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 684529 + ... + 889740.

It is an arithmetic number, because the mean of its divisors is an integer number (7851671625).

Almost surely, 2^161529445014 is an apocalyptic number.

161529445014 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

161529445014 is an abundant number, since it is smaller than the sum of its proper divisors (215350792986).

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

161529445014 is a wasteful number, since it uses less digits than its factorization.

161529445014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1574637 (or 1574630 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 42.

The spelling of 161529445014 in words is "one hundred sixty-one billion, five hundred twenty-nine million, four hundred forty-five thousand, fourteen".