165151075742 has 8 divisors (see below), whose sum is σ = 258497336016. Its totient is φ = 78985297072.

The previous prime is 165151075741. The next prime is 165151075781. The reversal of 165151075742 is 247570151561.

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 = 165151075693 and 165151075702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165151075741) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1795120343 + ... + 1795120434.

It is an arithmetic number, because the mean of its divisors is an integer number (32312167002).

Almost surely, 2^165151075742 is an apocalyptic number.

165151075742 is a deficient number, since it is larger than the sum of its proper divisors (93346260274).

165151075742 is a wasteful number, since it uses less digits than its factorization.

165151075742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3590240802.

The product of its (nonzero) digits is 294000, while the sum is 44.

The spelling of 165151075742 in words is "one hundred sixty-five billion, one hundred fifty-one million, seventy-five thousand, seven hundred forty-two".