16100542 has 4 divisors (see below), whose sum is σ = 24150816. Its totient is φ = 8050270.

The previous prime is 16100537. The next prime is 16100549. The reversal of 16100542 is 24500161.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24500161 = 7 ⋅3500023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16100549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4025134 + ... + 4025137.

It is an arithmetic number, because the mean of its divisors is an integer number (6037704).

Almost surely, 2^16100542 is an apocalyptic number.

16100542 is a deficient number, since it is larger than the sum of its proper divisors (8050274).

16100542 is an equidigital number, since it uses as much as digits as its factorization.

16100542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8050273.

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

The square root of 16100542 is about 4012.5480682479. The cubic root of 16100542 is about 252.5109206792.

The spelling of 16100542 in words is "sixteen million, one hundred thousand, five hundred forty-two".