1649267441658 has 24 divisors (see below), whose sum is σ = 3573440053248. Its totient is φ = 549751619592.

The previous prime is 1649267441651. The next prime is 1649267441681. The reversal of 1649267441658 is 8561447629461.

1649267441658 is a `hidden beast` number, since 1 + 64 + 92 + 6 + 74 + 416 + 5 + 8 = 666.

1649267441658 is nontrivially palindromic in base 8.

It is a super-2 number, since 2×1649267441658² (a number of 25 digits) contains 22 as substring.

It is a zygodrome in base 4.

It is a junction number, because it is equal to n+sod(n) for n = 1649267441595 and 1649267441604.

It is not an unprimeable number, because it can be changed into a prime (1649267441651) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2883591 + ... + 3407877.

It is an arithmetic number, because the mean of its divisors is an integer number (148893335552).

Almost surely, 2^{1649267441658} is an apocalyptic number.

1649267441658 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1649267441658 is an abundant number, since it is smaller than the sum of its proper divisors (1924172611590).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1649267441658 is a wasteful number, since it uses less digits than its factorization.

1649267441658 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 699058 (or 699055 counting only the distinct ones).

The product of its digits is 69672960, while the sum is 63.

The spelling of 1649267441658 in words is "one trillion, six hundred forty-nine billion, two hundred sixty-seven million, four hundred forty-one thousand, six hundred fifty-eight".