161702266352 has 20 divisors (see below), whose sum is σ = 341779790616. Its totient is φ = 73501030080.

The previous prime is 161702266331. The next prime is 161702266373. The reversal of 161702266352 is 253662207161.

It is an interprime number because it is at equal distance from previous prime (161702266331) and next prime (161702266373).

It is a super-2 number, since 2×161702266352² (a number of 23 digits) contains 22 as substring.

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, 459381263 + ... + 459381614.

Almost surely, 2^161702266352 is an apocalyptic number.

It is an amenable number.

161702266352 is an abundant number, since it is smaller than the sum of its proper divisors (180077524264).

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

161702266352 is a wasteful number, since it uses less digits than its factorization.

161702266352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 918762896 (or 918762890 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 41.

The spelling of 161702266352 in words is "one hundred sixty-one billion, seven hundred two million, two hundred sixty-six thousand, three hundred fifty-two".