161156606101148 has 24 divisors (see below), whose sum is σ = 322314151172832. Its totient is φ = 69066915692544.

The previous prime is 161156606101039. The next prime is 161156606101171. The reversal of 161156606101148 is 841101606651161.

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, 1608236 + ... + 18024972.

It is an arithmetic number, because the mean of its divisors is an integer number (13429756298868).

Almost surely, 2^{161156606101148} is an apocalyptic number.

It is an amenable number.

161156606101148 is an abundant number, since it is smaller than the sum of its proper divisors (161157545071684).

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

161156606101148 is a wasteful number, since it uses less digits than its factorization.

161156606101148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16767341 (or 16767339 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 47.

The spelling of 161156606101148 in words is "one hundred sixty-one trillion, one hundred fifty-six billion, six hundred six million, one hundred one thousand, one hundred forty-eight".