16401010 has 16 divisors (see below), whose sum is σ = 29577816. Its totient is φ = 6547968.

The previous prime is 16400987. The next prime is 16401013. The reversal of 16401010 is 1010461.

16401010 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 15139881 + 1261129 = 3891^2 + 1123^2 .

It is not an unprimeable number, because it can be changed into a prime (16401013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5512 + ... + 7948.

Almost surely, 2^16401010 is an apocalyptic number.

16401010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16401010 is a deficient number, since it is larger than the sum of its proper divisors (13176806).

16401010 is a wasteful number, since it uses less digits than its factorization.

16401010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3117.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 16401010 is about 4049.8160452050. The cubic root of 16401010 is about 254.0720340468.

Adding to 16401010 its reverse (1010461), we get a palindrome (17411471).

The spelling of 16401010 in words is "sixteen million, four hundred one thousand, ten".