169542008730 has 24 divisors (see below), whose sum is σ = 440809222932. Its totient is φ = 45211202304.

The previous prime is 169542008693. The next prime is 169542008737. The reversal of 169542008730 is 37800245961.

169542008730 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 166510515249 + 3031493481 = 408057^2 + 55059^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (169542008737) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 941899959 + ... + 941900138.

It is a 1-persistent number, because it is pandigital, but 2⋅169542008730 = 339084017460 is not.

Almost surely, 2^169542008730 is an apocalyptic number.

169542008730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

169542008730 is an abundant number, since it is smaller than the sum of its proper divisors (271267214202).

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

169542008730 is a wasteful number, since it uses less digits than its factorization.

169542008730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1883800110 (or 1883800107 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The spelling of 169542008730 in words is "one hundred sixty-nine billion, five hundred forty-two million, eight thousand, seven hundred thirty".