36721620331032 has 256 divisors, whose sum is σ = 118963990656000. Its totient is φ = 9172968726528.

The previous prime is 36721620331021. The next prime is 36721620331079. The reversal of 36721620331032 is 23013302612763.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 182855508 + ... + 183056220.

It is an arithmetic number, because the mean of its divisors is an integer number (464703088500).

Almost surely, 2^{36721620331032} 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 36721620331032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59481995328000).

36721620331032 is an abundant number, since it is smaller than the sum of its proper divisors (82242370324968).

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

36721620331032 is a wasteful number, since it uses less digits than its factorization.

36721620331032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205170 (or 205166 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 39.

Adding to 36721620331032 its reverse (23013302612763), we get a palindrome (59734922943795).

The spelling of 36721620331032 in words is "thirty-six trillion, seven hundred twenty-one billion, six hundred twenty million, three hundred thirty-one thousand, thirty-two".