1021616465050 has 12 divisors (see below), whose sum is σ = 1900206625086. Its totient is φ = 408646586000.

The previous prime is 1021616465041. The next prime is 1021616465069. The reversal of 1021616465050 is 505646161201.

It can be written as a sum of positive squares in 3 ways, for example, as 883282308561 + 138334156489 = 939831^2 + 371933^2 .

It is a super-2 number, since 2×1021616465050² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10216164601 + ... + 10216164700.

Almost surely, 2^{1021616465050} is an apocalyptic number.

1021616465050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1021616465050 is a deficient number, since it is larger than the sum of its proper divisors (878590160036).

1021616465050 is a wasteful number, since it uses less digits than its factorization.

1021616465050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20432329313 (or 20432329308 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 37.

The spelling of 1021616465050 in words is "one trillion, twenty-one billion, six hundred sixteen million, four hundred sixty-five thousand, fifty".