16261430031030 has 16 divisors (see below), whose sum is σ = 39027432074544. Its totient is φ = 4336381341600.

The previous prime is 16261430030969. The next prime is 16261430031061. The reversal of 16261430031030 is 3013003416261.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 542047667701 = 16261430031030 / (1 + 6 + 2 + 6 + 1 + 4 + 3 + 0 + 0 + 3 + 1 + 0 + 3 + 0).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 271023833821 + ... + 271023833880.

It is an arithmetic number, because the mean of its divisors is an integer number (2439214504659).

Almost surely, 2^{16261430031030} is an apocalyptic number.

16261430031030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16261430031030 is an abundant number, since it is smaller than the sum of its proper divisors (22766002043514).

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

16261430031030 is a wasteful number, since it uses less digits than its factorization.

16261430031030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 542047667711.

The product of its (nonzero) digits is 7776, while the sum is 30.

Adding to 16261430031030 its reverse (3013003416261), we get a palindrome (19274433447291).

The spelling of 16261430031030 in words is "sixteen trillion, two hundred sixty-one billion, four hundred thirty million, thirty-one thousand, thirty".