1628260021146 has 32 divisors (see below), whose sum is σ = 3566075217408. Its totient is φ = 491536030640.

The previous prime is 1628260021127. The next prime is 1628260021177. The reversal of 1628260021146 is 6411200628261.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46884936 + ... + 46919651.

It is an arithmetic number, because the mean of its divisors is an integer number (111439850544).

Almost surely, 2^{1628260021146} is an apocalyptic number.

1628260021146 is an abundant number, since it is smaller than the sum of its proper divisors (1937815196262).

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

1628260021146 is a wasteful number, since it uses less digits than its factorization.

1628260021146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93804866.

The product of its (nonzero) digits is 55296, while the sum is 39.

The spelling of 1628260021146 in words is "one trillion, six hundred twenty-eight billion, two hundred sixty million, twenty-one thousand, one hundred forty-six".