1626121012016 has 40 divisors (see below), whose sum is σ = 3167487148800. Its totient is φ = 808706004480.

The previous prime is 1626121012013. The next prime is 1626121012051. The reversal of 1626121012016 is 6102101216261.

It is a self number, because there is not a number n which added to its sum of digits gives 1626121012016.

It is not an unprimeable number, because it can be changed into a prime (1626121012013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29826830 + ... + 29881298.

It is an arithmetic number, because the mean of its divisors is an integer number (79187178720).

Almost surely, 2^{1626121012016} is an apocalyptic number.

1626121012016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1626121012016 is a deficient number, since it is larger than the sum of its proper divisors (1541366136784).

1626121012016 is a wasteful number, since it uses less digits than its factorization.

1626121012016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64437 (or 64431 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 29.

Adding to 1626121012016 its reverse (6102101216261), we get a palindrome (7728222228277).

The spelling of 1626121012016 in words is "one trillion, six hundred twenty-six billion, one hundred twenty-one million, twelve thousand, sixteen".