1611641636032 has 56 divisors (see below), whose sum is σ = 3302233306112. Its totient is φ = 779598086400.

The previous prime is 1611641636027. The next prime is 1611641636113. The reversal of 1611641636032 is 2306361461161.

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, 6753307 + ... + 6987877.

Almost surely, 2^{1611641636032} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1611641636032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1651116653056).

1611641636032 is an abundant number, since it is smaller than the sum of its proper divisors (1690591670080).

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

1611641636032 is a wasteful number, since it uses less digits than its factorization.

1611641636032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238077 (or 238067 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 40.

The spelling of 1611641636032 in words is "one trillion, six hundred eleven billion, six hundred forty-one million, six hundred thirty-six thousand, thirty-two".