165707143642 has 8 divisors (see below), whose sum is σ = 248563288800. Its totient is φ = 82852714044.

The previous prime is 165707143621. The next prime is 165707143703. The reversal of 165707143642 is 246341707561.

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

It is a junction number, because it is equal to n+sod(n) for n = 165707143592 and 165707143601.

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, 151542 + ... + 595297.

It is an arithmetic number, because the mean of its divisors is an integer number (31070411100).

Almost surely, 2^165707143642 is an apocalyptic number.

165707143642 is a deficient number, since it is larger than the sum of its proper divisors (82856145158).

165707143642 is a wasteful number, since it uses less digits than its factorization.

165707143642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 857780.

The product of its (nonzero) digits is 846720, while the sum is 46.

The spelling of 165707143642 in words is "one hundred sixty-five billion, seven hundred seven million, one hundred forty-three thousand, six hundred forty-two".