16061401 has 4 divisors (see below), whose sum is σ = 16074112. Its totient is φ = 16048692.

The previous prime is 16061399. The next prime is 16061443. The reversal of 16061401 is 10416061.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 16061401 - 2¹ = 16061399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16061471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4221 + ... + 7066.

It is an arithmetic number, because the mean of its divisors is an integer number (4018528).

Almost surely, 2^16061401 is an apocalyptic number.

It is an amenable number.

16061401 is a deficient number, since it is larger than the sum of its proper divisors (12711).

16061401 is a wasteful number, since it uses less digits than its factorization.

16061401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12710.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 16061401 is about 4007.6677756521. The cubic root of 16061401 is about 252.3061335804.

Adding to 16061401 its reverse (10416061), we get a palindrome (26477462).

The spelling of 16061401 in words is "sixteen million, sixty-one thousand, four hundred one".