10161723808 has 96 divisors (see below), whose sum is σ = 21078020880. Its totient is φ = 4817387520.

The previous prime is 10161723799. The next prime is 10161723883. The reversal of 10161723808 is 80832716101.

It can be written as a sum of positive squares in 8 ways, for example, as 8356153744 + 1805570064 = 91412^2 + 42492^2 .

It is a Harshad number since it is a multiple of its sum of digits (37).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7691788 + ... + 7693108.

Almost surely, 2^10161723808 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10161723808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10539010440).

10161723808 is an abundant number, since it is smaller than the sum of its proper divisors (10916297072).

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

10161723808 is a wasteful number, since it uses less digits than its factorization.

10161723808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1530 (or 1522 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 37.

The spelling of 10161723808 in words is "ten billion, one hundred sixty-one million, seven hundred twenty-three thousand, eight hundred eight".