160699451640 has 1024 divisors, whose sum is σ = 667397283840. Its totient is φ = 29974855680.

The previous prime is 160699451603. The next prime is 160699451669. The reversal of 160699451640 is 46154996061.

It is a happy number.

160699451640 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 260452612 + ... + 260453228.

It is an arithmetic number, because the mean of its divisors is an integer number (651755160).

Almost surely, 2^160699451640 is an apocalyptic number.

160699451640 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 160699451640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (333698641920).

160699451640 is an abundant number, since it is smaller than the sum of its proper divisors (506697832200).

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

160699451640 is a wasteful number, since it uses less digits than its factorization.

160699451640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 752 (or 748 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 51.

The spelling of 160699451640 in words is "one hundred sixty billion, six hundred ninety-nine million, four hundred fifty-one thousand, six hundred forty".