1620417236236 has 12 divisors (see below), whose sum is σ = 2835739867912. Its totient is φ = 810205845408.

The previous prime is 1620417236227. The next prime is 1620417236237. The reversal of 1620417236236 is 6326327140261.

It is a junction number, because it is equal to n+sod(n) for n = 1620417236192 and 1620417236201.

It is not an unprimeable number, because it can be changed into a prime (1620417236237) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1190536 + ... + 2158288.

Almost surely, 2^{1620417236236} is an apocalyptic number.

It is an amenable number.

1620417236236 is a deficient number, since it is larger than the sum of its proper divisors (1215322631676).

1620417236236 is a wasteful number, since it uses less digits than its factorization.

1620417236236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1386360 (or 1386358 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 43.

The spelling of 1620417236236 in words is "one trillion, six hundred twenty billion, four hundred seventeen million, two hundred thirty-six thousand, two hundred thirty-six".