1628117041485 has 16 divisors (see below), whose sum is σ = 2841804290880. Its totient is φ = 789390080640.

The previous prime is 1628117041477. The next prime is 1628117041489. The reversal of 1628117041485 is 5841407118261.

It is not a de Polignac number, because 1628117041485 - 2³ = 1628117041477 is a prime.

It is a super-2 number, since 2×1628117041485² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1628117041489) 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, 4933687840 + ... + 4933688169.

It is an arithmetic number, because the mean of its divisors is an integer number (177612768180).

Almost surely, 2^{1628117041485} is an apocalyptic number.

1628117041485 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1628117041485 is a deficient number, since it is larger than the sum of its proper divisors (1213687249395).

1628117041485 is a wasteful number, since it uses less digits than its factorization.

1628117041485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9867376028.

The product of its (nonzero) digits is 430080, while the sum is 48.

The spelling of 1628117041485 in words is "one trillion, six hundred twenty-eight billion, one hundred seventeen million, forty-one thousand, four hundred eighty-five".