161488750683 has 8 divisors (see below), whose sum is σ = 231881283088. Its totient is φ = 99377692704.

The previous prime is 161488750649. The next prime is 161488750721. The reversal of 161488750683 is 386057884161.

It is a happy number.

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

It is not a de Polignac number, because 161488750683 - 2⁸ = 161488750427 is a prime.

It is a super-2 number, since 2×161488750683² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (161488752683) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2070368560 + ... + 2070368637.

It is an arithmetic number, because the mean of its divisors is an integer number (28985160386).

Almost surely, 2^161488750683 is an apocalyptic number.

161488750683 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

161488750683 is a deficient number, since it is larger than the sum of its proper divisors (70392532405).

161488750683 is a wasteful number, since it uses less digits than its factorization.

161488750683 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4140737213.

The product of its (nonzero) digits is 7741440, while the sum is 57.

The spelling of 161488750683 in words is "one hundred sixty-one billion, four hundred eighty-eight million, seven hundred fifty thousand, six hundred eighty-three".