16203460490 has 32 divisors (see below), whose sum is σ = 35087195520. Its totient is φ = 5263078464.

The previous prime is 16203460489. The next prime is 16203460519. The reversal of 16203460490 is 9406430261.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 16203460490.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6090197 + ... + 6092856.

It is an arithmetic number, because the mean of its divisors is an integer number (1096474860).

Almost surely, 2^16203460490 is an apocalyptic number.

16203460490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16203460490 is an abundant number, since it is smaller than the sum of its proper divisors (18883735030).

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

16203460490 is a wasteful number, since it uses less digits than its factorization.

16203460490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12183086.

The product of its (nonzero) digits is 31104, while the sum is 35.

The spelling of 16203460490 in words is "sixteen billion, two hundred three million, four hundred sixty thousand, four hundred ninety".