161750738210 has 16 divisors (see below), whose sum is σ = 291163631616. Its totient is φ = 64697561328.

The previous prime is 161750738207. The next prime is 161750738263. The reversal of 161750738210 is 12837057161.

It is a happy number.

It is a super-2 number, since 2×161750738210² (a number of 23 digits) contains 22 as substring.

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, 84002 + ... + 574941.

It is an arithmetic number, because the mean of its divisors is an integer number (18197726976).

Almost surely, 2^161750738210 is an apocalyptic number.

161750738210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

161750738210 is a deficient number, since it is larger than the sum of its proper divisors (129412893406).

161750738210 is a wasteful number, since it uses less digits than its factorization.

161750738210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 683497.

The product of its (nonzero) digits is 70560, while the sum is 41.

The spelling of 161750738210 in words is "one hundred sixty-one billion, seven hundred fifty million, seven hundred thirty-eight thousand, two hundred ten".