1616470540605 has 48 divisors (see below), whose sum is σ = 2825694353664. Its totient is φ = 854816601600.

The previous prime is 1616470540591. The next prime is 1616470540609. The reversal of 1616470540605 is 5060450746161.

1616470540605 is a `hidden beast` number, since 1 + 6 + 1 + 6 + 47 + 0 + 540 + 60 + 5 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-1616470540605 is a prime.

It is a super-2 number, since 2×1616470540605² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1616470540609) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2745312 + ... + 3281718.

It is an arithmetic number, because the mean of its divisors is an integer number (58868632368).

Almost surely, 2^{1616470540605} is an apocalyptic number.

1616470540605 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1616470540605 is a deficient number, since it is larger than the sum of its proper divisors (1209223813059).

1616470540605 is a wasteful number, since it uses less digits than its factorization.

1616470540605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 536986 (or 536983 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 45.

The spelling of 1616470540605 in words is "one trillion, six hundred sixteen billion, four hundred seventy million, five hundred forty thousand, six hundred five".