16363740 has 48 divisors (see below), whose sum is σ = 46061568. Its totient is φ = 4340544.

The previous prime is 16363729. The next prime is 16363747. The reversal of 16363740 is 4736361.

16363740 = 620² + 621² + ... + 659².

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 16363698 and 16363707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16363747) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12769 + ... + 13991.

It is an arithmetic number, because the mean of its divisors is an integer number (959616).

Almost surely, 2^16363740 is an apocalyptic number.

16363740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16363740 is an abundant number, since it is smaller than the sum of its proper divisors (29697828).

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

16363740 is a wasteful number, since it uses less digits than its factorization.

16363740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1458 (or 1456 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 30.

The square root of 16363740 is about 4045.2119845566. The cubic root of 16363740 is about 253.8794352069.

It can be divided in two parts, 163 and 63740, that added together give a triangular number (63903 = T₃₅₇).

The spelling of 16363740 in words is "sixteen million, three hundred sixty-three thousand, seven hundred forty".