161058896040 has 128 divisors (see below), whose sum is σ = 560443944960. Its totient is φ = 36263994624.

The previous prime is 161058896027. The next prime is 161058896071. The reversal of 161058896040 is 40698850161.

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 31 ways as a sum of consecutive naturals, for example, 1374592 + ... + 1487151.

It is an arithmetic number, because the mean of its divisors is an integer number (4378468320).

Almost surely, 2^161058896040 is an apocalyptic number.

161058896040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

161058896040 is an abundant number, since it is smaller than the sum of its proper divisors (399385048920).

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

161058896040 is a wasteful number, since it uses less digits than its factorization.

161058896040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2861831 (or 2861827 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 48.

It can be divided in two parts, 1610588 and 96040, that added together give a triangular number (1706628 = T₁₈₄₇).

The spelling of 161058896040 in words is "one hundred sixty-one billion, fifty-eight million, eight hundred ninety-six thousand, forty".