161151561050070 has 32 divisors (see below), whose sum is σ = 396197008633440. Its totient is φ = 41925609378560.

The previous prime is 161151561050057. The next prime is 161151561050087. The reversal of 161151561050070 is 70050165151161.

161151561050070 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65508763425 + ... + 65508765884.

It is an arithmetic number, because the mean of its divisors is an integer number (12381156519795).

Almost surely, 2^{161151561050070} is an apocalyptic number.

161151561050070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

161151561050070 is an abundant number, since it is smaller than the sum of its proper divisors (235045447583370).

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

161151561050070 is a wasteful number, since it uses less digits than its factorization.

161151561050070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131017529360.

The product of its (nonzero) digits is 31500, while the sum is 39.

The spelling of 161151561050070 in words is "one hundred sixty-one trillion, one hundred fifty-one billion, five hundred sixty-one million, fifty thousand, seventy".