16000002 has 24 divisors (see below), whose sum is σ = 35186736. Its totient is φ = 5253336.

The previous prime is 15999989. The next prime is 16000057. The reversal of 16000002 is 20000061.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5428 + ... + 7839.

It is an arithmetic number, because the mean of its divisors is an integer number (1466114).

Almost surely, 2^16000002 is an apocalyptic number.

16000002 is an abundant number, since it is smaller than the sum of its proper divisors (19186734).

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

16000002 is a wasteful number, since it uses less digits than its factorization.

16000002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13342 (or 13339 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 16000002 is about 4000.0002500000. Note that the first 3 decimals coincide. The cubic root of 16000002 is about 251.9842204783.

Adding to 16000002 its reverse (20000061), we get a palindrome (36000063).

It can be divided in two parts, 1600000 and 2, that multiplied together give a 5-th power (3200000 = 20⁵).

The spelling of 16000002 in words is "sixteen million, two", and thus it is an aban number and an uban number.