1056621602146 has 16 divisors (see below), whose sum is σ = 1729157286240. Its totient is φ = 480243624480.

The previous prime is 1056621602129. The next prime is 1056621602159. The reversal of 1056621602146 is 6412061266501.

It is a super-4 number, since 4×1056621602146⁴ (a number of 49 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 1056621602099 and 1056621602108.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1667571 + ... + 2212246.

It is an arithmetic number, because the mean of its divisors is an integer number (108072330390).

Almost surely, 2^{1056621602146} is an apocalyptic number.

1056621602146 is a deficient number, since it is larger than the sum of its proper divisors (672535684094).

1056621602146 is a wasteful number, since it uses less digits than its factorization.

1056621602146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3892209.

The product of its (nonzero) digits is 103680, while the sum is 40.

Adding to 1056621602146 its reverse (6412061266501), we get a palindrome (7468682868647).

The spelling of 1056621602146 in words is "one trillion, fifty-six billion, six hundred twenty-one million, six hundred two thousand, one hundred forty-six".