16361213140 has 12 divisors (see below), whose sum is σ = 34358547636. Its totient is φ = 6544485248.

The previous prime is 16361213131. The next prime is 16361213159. The reversal of 16361213140 is 4131216361.

It can be written as a sum of positive squares in 2 ways, for example, as 4496775364 + 11864437776 = 67058^2 + 108924^2 .

It is a junction number, because it is equal to n+sod(n) for n = 16361213099 and 16361213108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 409030309 + ... + 409030348.

It is an arithmetic number, because the mean of its divisors is an integer number (2863212303).

Almost surely, 2^16361213140 is an apocalyptic number.

16361213140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16361213140 is an abundant number, since it is smaller than the sum of its proper divisors (17997334496).

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

16361213140 is a wasteful number, since it uses less digits than its factorization.

16361213140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 818060666 (or 818060664 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 28.

The spelling of 16361213140 in words is "sixteen billion, three hundred sixty-one million, two hundred thirteen thousand, one hundred forty".