161129284954 has 32 divisors (see below), whose sum is σ = 265084747200. Its totient is φ = 72847568640.

The previous prime is 161129284951. The next prime is 161129284957. The reversal of 161129284954 is 459482921161.

It is an interprime number because it is at equal distance from previous prime (161129284951) and next prime (161129284957).

It is not an unprimeable number, because it can be changed into a prime (161129284951) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3080532 + ... + 3132400.

It is an arithmetic number, because the mean of its divisors is an integer number (8283898350).

Almost surely, 2^161129284954 is an apocalyptic number.

161129284954 is a deficient number, since it is larger than the sum of its proper divisors (103955462246).

161129284954 is a wasteful number, since it uses less digits than its factorization.

161129284954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52638.

The product of its digits is 1244160, while the sum is 52.

The spelling of 161129284954 in words is "one hundred sixty-one billion, one hundred twenty-nine million, two hundred eighty-four thousand, nine hundred fifty-four".