16070428 has 48 divisors (see below), whose sum is σ = 33062400. Its totient is φ = 6756480.

The previous prime is 16070407. The next prime is 16070443. The reversal of 16070428 is 82407061.

It is a super-2 number, since 2×16070428² = 516517312206368, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16070396 and 16070405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39088 + ... + 39496.

It is an arithmetic number, because the mean of its divisors is an integer number (688800).

Almost surely, 2^16070428 is an apocalyptic number.

It is an amenable number.

16070428 is an abundant number, since it is smaller than the sum of its proper divisors (16991972).

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

16070428 is a wasteful number, since it uses less digits than its factorization.

16070428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490 (or 488 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 16070428 is about 4008.7938335614. The cubic root of 16070428 is about 252.3533926565.

Adding to 16070428 its reverse (82407061), we get a palindrome (98477489).

The spelling of 16070428 in words is "sixteen million, seventy thousand, four hundred twenty-eight".