16152742 has 4 divisors (see below), whose sum is σ = 24229116. Its totient is φ = 8076370.

The previous prime is 16152733. The next prime is 16152743. The reversal of 16152742 is 24725161.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24725161 = 23 ⋅1075007.

It is a super-2 number, since 2×16152742² = 521822148237128, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 16152742.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16152743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4038184 + ... + 4038187.

It is an arithmetic number, because the mean of its divisors is an integer number (6057279).

Almost surely, 2^16152742 is an apocalyptic number.

16152742 is a deficient number, since it is larger than the sum of its proper divisors (8076374).

16152742 is an equidigital number, since it uses as much as digits as its factorization.

16152742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8076373.

The product of its digits is 3360, while the sum is 28.

The square root of 16152742 is about 4019.0473995712. The cubic root of 16152742 is about 252.7835171082.

The spelling of 16152742 in words is "sixteen million, one hundred fifty-two thousand, seven hundred forty-two".