161402523154824 has 96 divisors (see below), whose sum is σ = 470184524318880. Its totient is φ = 46036445930496.

The previous prime is 161402523154819. The next prime is 161402523154877. The reversal of 161402523154824 is 428451325204161.

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, 116215177 + ... + 117595800.

It is an arithmetic number, because the mean of its divisors is an integer number (4897755461655).

Almost surely, 2^{161402523154824} is an apocalyptic number.

161402523154824 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

161402523154824 is an abundant number, since it is smaller than the sum of its proper divisors (308782001164056).

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

161402523154824 is a wasteful number, since it uses less digits than its factorization.

161402523154824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233811587 (or 233811576 counting only the distinct ones).

The product of its (nonzero) digits is 1843200, while the sum is 48.

Adding to 161402523154824 its reverse (428451325204161), we get a palindrome (589853848358985).

The spelling of 161402523154824 in words is "one hundred sixty-one trillion, four hundred two billion, five hundred twenty-three million, one hundred fifty-four thousand, eight hundred twenty-four".