16015652 has 6 divisors (see below), whose sum is σ = 28027398. Its totient is φ = 8007824.

The previous prime is 16015619. The next prime is 16015669. The reversal of 16015652 is 25651061.

It can be written as a sum of positive squares in only one way, i.e., 15413476 + 602176 = 3926^2 + 776^2 .

It is a super-2 number, since 2×16015652² = 513002217970208, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2001953 + ... + 2001960.

It is an arithmetic number, because the mean of its divisors is an integer number (4671233).

Almost surely, 2^16015652 is an apocalyptic number.

It is an amenable number.

16015652 is a deficient number, since it is larger than the sum of its proper divisors (12011746).

16015652 is a wasteful number, since it uses less digits than its factorization.

16015652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4003917 (or 4003915 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 16015652 is about 4001.9560217474. The cubic root of 16015652 is about 252.0663510511.

The spelling of 16015652 in words is "sixteen million, fifteen thousand, six hundred fifty-two".