16097730 has 32 divisors (see below), whose sum is σ = 42147648. Its totient is φ = 3902400.

The previous prime is 16097699. The next prime is 16097747. The reversal of 16097730 is 3779061.

16097730 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×16097730² = 518273822305800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 16097691 and 16097700.

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, 24061 + ... + 24720.

It is an arithmetic number, because the mean of its divisors is an integer number (1317114).

Almost surely, 2^16097730 is an apocalyptic number.

16097730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16097730 is an abundant number, since it is smaller than the sum of its proper divisors (26049918).

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

16097730 is a wasteful number, since it uses less digits than its factorization.

16097730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48802.

The product of its (nonzero) digits is 7938, while the sum is 33.

The square root of 16097730 is about 4012.1976521602. The cubic root of 16097730 is about 252.4962192683.

It can be divided in two parts, 1609 and 7730, that added together give a palindrome (9339).

The spelling of 16097730 in words is "sixteen million, ninety-seven thousand, seven hundred thirty".