160722907740 has 144 divisors (see below), whose sum is σ = 494821000128. Its totient is φ = 42222477312.

The previous prime is 160722907711. The next prime is 160722907769. The reversal of 160722907740 is 47709227061.

It is an interprime number because it is at equal distance from previous prime (160722907711) and next prime (160722907769).

It is a super-3 number, since 3×160722907740³ (a number of 35 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3555762 + ... + 3600678.

Almost surely, 2^160722907740 is an apocalyptic number.

160722907740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 160722907740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (247410500064).

160722907740 is an abundant number, since it is smaller than the sum of its proper divisors (334098092388).

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

160722907740 is a wasteful number, since it uses less digits than its factorization.

160722907740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45228 (or 45223 counting only the distinct ones).

The product of its (nonzero) digits is 296352, while the sum is 45.

The spelling of 160722907740 in words is "one hundred sixty billion, seven hundred twenty-two million, nine hundred seven thousand, seven hundred forty".