1606181049129 has 16 divisors (see below), whose sum is σ = 2254316430080. Its totient is φ = 1014417879120.

The previous prime is 1606181049127. The next prime is 1606181049191. The reversal of 1606181049129 is 9219401816061.

It is not a de Polignac number, because 1606181049129 - 2¹ = 1606181049127 is a prime.

It is a super-2 number, since 2×1606181049129² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1606181049127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7989414 + ... + 8187984.

It is an arithmetic number, because the mean of its divisors is an integer number (140894776880).

Almost surely, 2^{1606181049129} is an apocalyptic number.

1606181049129 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1606181049129 is a deficient number, since it is larger than the sum of its proper divisors (648135380951).

1606181049129 is a wasteful number, since it uses less digits than its factorization.

1606181049129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340500.

The product of its (nonzero) digits is 186624, while the sum is 48.

The spelling of 1606181049129 in words is "one trillion, six hundred six billion, one hundred eighty-one million, forty-nine thousand, one hundred twenty-nine".