161310006542 has 8 divisors (see below), whose sum is σ = 242004481176. Its totient is φ = 80641846152.

The previous prime is 161310006497. The next prime is 161310006577. The reversal of 161310006542 is 245600013161.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6563228 + ... + 6587759.

It is an arithmetic number, because the mean of its divisors is an integer number (30250560147).

Almost surely, 2^161310006542 is an apocalyptic number.

161310006542 is a deficient number, since it is larger than the sum of its proper divisors (80694474634).

161310006542 is a wasteful number, since it uses less digits than its factorization.

161310006542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13157122.

The product of its (nonzero) digits is 4320, while the sum is 29.

The spelling of 161310006542 in words is "one hundred sixty-one billion, three hundred ten million, six thousand, five hundred forty-two".