161132146676540 has 48 divisors (see below), whose sum is σ = 364443357946080. Its totient is φ = 59488936531200.

The previous prime is 161132146676467. The next prime is 161132146676551. The reversal of 161132146676540 is 45676641231161.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28722530 + ... + 33871049.

It is an arithmetic number, because the mean of its divisors is an integer number (7592569957210).

Almost surely, 2^{161132146676540} is an apocalyptic number.

161132146676540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

161132146676540 is an abundant number, since it is smaller than the sum of its proper divisors (203311211269540).

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

161132146676540 is a wasteful number, since it uses less digits than its factorization.

161132146676540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62603502 (or 62603500 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 53.

The spelling of 161132146676540 in words is "one hundred sixty-one trillion, one hundred thirty-two billion, one hundred forty-six million, six hundred seventy-six thousand, five hundred forty".