161160142577450 has 144 divisors (see below), whose sum is σ = 311138441552736. Its totient is φ = 62075605046400.

The previous prime is 161160142577449. The next prime is 161160142577507. The reversal of 161160142577450 is 54775241061161.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 5429360309 + ... + 5429389991.

It is an arithmetic number, because the mean of its divisors is an integer number (2160683621894).

Almost surely, 2^{161160142577450} is an apocalyptic number.

161160142577450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

161160142577450 is a deficient number, since it is larger than the sum of its proper divisors (149978298975286).

161160142577450 is a wasteful number, since it uses less digits than its factorization.

161160142577450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30149 (or 29981 counting only the distinct ones).

The product of its (nonzero) digits is 1411200, while the sum is 50.

The spelling of 161160142577450 in words is "one hundred sixty-one trillion, one hundred sixty billion, one hundred forty-two million, five hundred seventy-seven thousand, four hundred fifty".