161401160352 has 24 divisors (see below), whose sum is σ = 423678046176. Its totient is φ = 53800386752.

The previous prime is 161401160339. The next prime is 161401160357. The reversal of 161401160352 is 253061104161.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (161401160357) 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, 840630948 + ... + 840631139.

It is an arithmetic number, because the mean of its divisors is an integer number (17653251924).

Almost surely, 2^161401160352 is an apocalyptic number.

161401160352 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

161401160352 is an abundant number, since it is smaller than the sum of its proper divisors (262276885824).

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

161401160352 is a wasteful number, since it uses less digits than its factorization.

161401160352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1681262100 (or 1681262092 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 30.

The spelling of 161401160352 in words is "one hundred sixty-one billion, four hundred one million, one hundred sixty thousand, three hundred fifty-two".