16040970 has 96 divisors (see below), whose sum is σ = 47113920. Its totient is φ = 3880800.

The previous prime is 16040953. The next prime is 16040971. The reversal of 16040970 is 7904061.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (16040971) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 32425 + ... + 32915.

It is an arithmetic number, because the mean of its divisors is an integer number (490770).

Almost surely, 2^16040970 is an apocalyptic number.

16040970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 16040970, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23556960).

16040970 is an abundant number, since it is smaller than the sum of its proper divisors (31072950).

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

16040970 is a wasteful number, since it uses less digits than its factorization.

16040970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 529 (or 512 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 16040970 is about 4005.1179757905. The cubic root of 16040970 is about 252.1991056833.

The spelling of 16040970 in words is "sixteen million, forty thousand, nine hundred seventy".