1626196545792 has 648 divisors, whose sum is σ = 6057712291680. Its totient is φ = 428871905280.

The previous prime is 1626196545751. The next prime is 1626196545793. The reversal of 1626196545792 is 2975456916261.

1626196545792 is a `hidden beast` number, since 1 + 6 + 2 + 6 + 1 + 9 + 6 + 54 + 579 + 2 = 666.

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (1626196545793) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 57224067 + ... + 57252477.

Almost surely, 2^{1626196545792} is an apocalyptic number.

1626196545792 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1626196545792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3028856145840).

1626196545792 is an abundant number, since it is smaller than the sum of its proper divisors (4431515745888).

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

1626196545792 is a wasteful number, since it uses less digits than its factorization.

1626196545792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28476 (or 28436 counting only the distinct ones).

The product of its digits is 48988800, while the sum is 63.

The spelling of 1626196545792 in words is "one trillion, six hundred twenty-six billion, one hundred ninety-six million, five hundred forty-five thousand, seven hundred ninety-two".