161460128010730 has 8 divisors (see below), whose sum is σ = 290628230419332. Its totient is φ = 64584051204288.

The previous prime is 161460128010683. The next prime is 161460128010733. The reversal of 161460128010730 is 37010821064161.

It can be written as a sum of positive squares in 2 ways, for example, as 154363652916489 + 7096475094241 = 12424317^2 + 2663921^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (161460128010733) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8073006400527 + ... + 8073006400546.

Almost surely, 2^{161460128010730} is an apocalyptic number.

161460128010730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

161460128010730 is a deficient number, since it is larger than the sum of its proper divisors (129168102408602).

161460128010730 is a wasteful number, since it uses less digits than its factorization.

161460128010730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16146012801080.

The product of its (nonzero) digits is 48384, while the sum is 40.

Adding to 161460128010730 its reverse (37010821064161), we get a palindrome (198470949074891).

The spelling of 161460128010730 in words is "one hundred sixty-one trillion, four hundred sixty billion, one hundred twenty-eight million, ten thousand, seven hundred thirty".