161101656601010 has 16 divisors (see below), whose sum is σ = 293476752749376. Its totient is φ = 63664269114288.

The previous prime is 161101656600979. The next prime is 161101656601027. The reversal of 161101656601010 is 10106656101161.

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, 97049189894 + ... + 97049191553.

It is an arithmetic number, because the mean of its divisors is an integer number (18342297046836).

Almost surely, 2^{161101656601010} is an apocalyptic number.

161101656601010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

161101656601010 is a deficient number, since it is larger than the sum of its proper divisors (132375096148366).

161101656601010 is a wasteful number, since it uses less digits than its factorization.

161101656601010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194098381537.

The product of its (nonzero) digits is 6480, while the sum is 35.

The spelling of 161101656601010 in words is "one hundred sixty-one trillion, one hundred one billion, six hundred fifty-six million, six hundred one thousand, ten".