1611516026244 has 48 divisors (see below), whose sum is σ = 3789271377920. Its totient is φ = 533029986720.

The previous prime is 1611516026189. The next prime is 1611516026251. The reversal of 1611516026244 is 4426206151161.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 581397 + ... + 1887075.

Almost surely, 2^{1611516026244} is an apocalyptic number.

It is an amenable number.

1611516026244 is an abundant number, since it is smaller than the sum of its proper divisors (2177755351676).

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

1611516026244 is a wasteful number, since it uses less digits than its factorization.

1611516026244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1306480 (or 1306478 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 39.

The spelling of 1611516026244 in words is "one trillion, six hundred eleven billion, five hundred sixteen million, twenty-six thousand, two hundred forty-four".