161433552142 has 16 divisors (see below), whose sum is σ = 246192242400. Its totient is φ = 79375317280.

The previous prime is 161433552131. The next prime is 161433552169. The reversal of 161433552142 is 241255334161.

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, 1406017 + ... + 1516492.

It is an arithmetic number, because the mean of its divisors is an integer number (15387015150).

Almost surely, 2^161433552142 is an apocalyptic number.

161433552142 is a deficient number, since it is larger than the sum of its proper divisors (84758690258).

161433552142 is a wasteful number, since it uses less digits than its factorization.

161433552142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2922971.

The product of its digits is 86400, while the sum is 37.

The spelling of 161433552142 in words is "one hundred sixty-one billion, four hundred thirty-three million, five hundred fifty-two thousand, one hundred forty-two".