16129470 has 64 divisors (see below), whose sum is σ = 44789760. Its totient is φ = 3641088.

The previous prime is 16129411. The next prime is 16129471. The reversal of 16129470 is 7492161.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16129471) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18259 + ... + 19121.

It is an arithmetic number, because the mean of its divisors is an integer number (699840).

Almost surely, 2^16129470 is an apocalyptic number.

16129470 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 16129470, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22394880).

16129470 is an abundant number, since it is smaller than the sum of its proper divisors (28660290).

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

16129470 is a wasteful number, since it uses less digits than its factorization.

16129470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 969.

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 16129470 is about 4016.1511425742. The cubic root of 16129470 is about 252.6620598045.

The spelling of 16129470 in words is "sixteen million, one hundred twenty-nine thousand, four hundred seventy".