16451002 has 8 divisors (see below), whose sum is σ = 26128116. Its totient is φ = 7741632.

The previous prime is 16450991. The next prime is 16451011. The reversal of 16451002 is 20015461.

It can be written as a sum of positive squares in 2 ways, for example, as 16410601 + 40401 = 4051^2 + 201^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 241893 + ... + 241960.

Almost surely, 2^16451002 is an apocalyptic number.

16451002 is a deficient number, since it is larger than the sum of its proper divisors (9677114).

16451002 is a wasteful number, since it uses less digits than its factorization.

16451002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 483872.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 16451002 is about 4055.9834812287. The cubic root of 16451002 is about 254.3299182806.

Adding to 16451002 its reverse (20015461), we get a palindrome (36466463).

The spelling of 16451002 in words is "sixteen million, four hundred fifty-one thousand, two".