16377620 has 96 divisors (see below), whose sum is σ = 42577920. Its totient is φ = 5166720.

The previous prime is 16377619. The next prime is 16377629. The reversal of 16377620 is 2677361.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16377629) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 124955 + ... + 125085.

It is an arithmetic number, because the mean of its divisors is an integer number (443520).

Almost surely, 2^16377620 is an apocalyptic number.

16377620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16377620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21288960).

16377620 is an abundant number, since it is smaller than the sum of its proper divisors (26200300).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16377620 is a wasteful number, since it uses less digits than its factorization.

16377620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213 (or 211 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 32.

The square root of 16377620 is about 4046.9272293927. The cubic root of 16377620 is about 253.9511965259.

It can be divided in two parts, 163776 and 20, that multiplied together give a triangular number (3275520 = T₂₅₅₉).

The spelling of 16377620 in words is "sixteen million, three hundred seventy-seven thousand, six hundred twenty".