161351104041300 has 144 divisors (see below), whose sum is σ = 487586559462912. Its totient is φ = 41118498326400.

The previous prime is 161351104041187. The next prime is 161351104041341. The reversal of 161351104041300 is 3140401153161.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3188974 + ... + 18244773.

It is an arithmetic number, because the mean of its divisors is an integer number (3386017774048).

Almost surely, 2^{161351104041300} is an apocalyptic number.

161351104041300 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 161351104041300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (243793279731456).

161351104041300 is an abundant number, since it is smaller than the sum of its proper divisors (326235455421612).

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

161351104041300 is a wasteful number, since it uses less digits than its factorization.

161351104041300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21434878 (or 21434871 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 30.

Adding to 161351104041300 its reverse (3140401153161), we get a palindrome (164491505194461).

The spelling of 161351104041300 in words is "one hundred sixty-one trillion, three hundred fifty-one billion, one hundred four million, forty-one thousand, three hundred".