161156606101098 has 32 divisors (see below), whose sum is σ = 323655190615680. Its totient is φ = 53495211939840.

The previous prime is 161156606101039. The next prime is 161156606101171. The reversal of 161156606101098 is 890101606651161.

It is a happy number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 161156606101098.

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, 106494138 + ... + 107996826.

It is an arithmetic number, because the mean of its divisors is an integer number (10114224706740).

Almost surely, 2^{161156606101098} is an apocalyptic number.

161156606101098 is an abundant number, since it is smaller than the sum of its proper divisors (162498584514582).

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

161156606101098 is a wasteful number, since it uses less digits than its factorization.

161156606101098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1577102.

The product of its (nonzero) digits is 466560, while the sum is 51.

The spelling of 161156606101098 in words is "one hundred sixty-one trillion, one hundred fifty-six billion, six hundred six million, one hundred one thousand, ninety-eight".