169001456 has 40 divisors (see below), whose sum is σ = 353821104. Its totient is φ = 77736960.

The previous prime is 169001449. The next prime is 169001479. The reversal of 169001456 is 654100961.

It is a super-2 number, since 2×169001456² = 57122984260239872, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68891 + ... + 71301.

Almost surely, 2^169001456 is an apocalyptic number.

169001456 is a gapful number since it is divisible by the number (16) 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 169001456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176910552).

169001456 is an abundant number, since it is smaller than the sum of its proper divisors (184819648).

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

169001456 is a wasteful number, since it uses less digits than its factorization.

169001456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2769 (or 2763 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 169001456 is about 13000.0559998794. The cubic root of 169001456 is about 552.8790691140.

The spelling of 169001456 in words is "one hundred sixty-nine million, one thousand, four hundred fifty-six".