1616630460525 has 72 divisors (see below), whose sum is σ = 2901366014976. Its totient is φ = 860477472000.

The previous prime is 1616630460499. The next prime is 1616630460541. The reversal of 1616630460525 is 5250640366161.

1616630460525 is a `hidden beast` number, since 1 + 6 + 1 + 6 + 6 + 30 + 4 + 605 + 2 + 5 = 666.

It is not a de Polignac number, because 1616630460525 - 2¹² = 1616630456429 is a prime.

It is a super-2 number, since 2×1616630460525² (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 congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 267518154 + ... + 267524196.

It is an arithmetic number, because the mean of its divisors is an integer number (40296750208).

Almost surely, 2^{1616630460525} is an apocalyptic number.

1616630460525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1616630460525 is a deficient number, since it is larger than the sum of its proper divisors (1284735554451).

1616630460525 is a wasteful number, since it uses less digits than its factorization.

1616630460525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8243 (or 8235 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 45.

The spelling of 1616630460525 in words is "one trillion, six hundred sixteen billion, six hundred thirty million, four hundred sixty thousand, five hundred twenty-five".