161000550656510 has 16 divisors (see below), whose sum is σ = 299149410252672. Its totient is φ = 62322793802400.

The previous prime is 161000550656509. The next prime is 161000550656573. The reversal of 161000550656510 is 15656055000161.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 259678307201 + ... + 259678307820.

It is an arithmetic number, because the mean of its divisors is an integer number (18696838140792).

Almost surely, 2^{161000550656510} is an apocalyptic number.

161000550656510 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

161000550656510 is a deficient number, since it is larger than the sum of its proper divisors (138148859596162).

161000550656510 is a wasteful number, since it uses less digits than its factorization.

161000550656510 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 519356615059.

The product of its (nonzero) digits is 135000, while the sum is 41.

The spelling of 161000550656510 in words is "one hundred sixty-one trillion, five hundred fifty million, six hundred fifty-six thousand, five hundred ten".