1020641653016 has 16 divisors (see below), whose sum is σ = 1923722490240. Its totient is φ = 507648988960.

The previous prime is 1020641653013. The next prime is 1020641653027. The reversal of 1020641653016 is 6103561460201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020641653013) 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, 333978071 + ... + 333981126.

It is an arithmetic number, because the mean of its divisors is an integer number (120232655640).

Almost surely, 2^{1020641653016} is an apocalyptic number.

It is an amenable number.

1020641653016 is a deficient number, since it is larger than the sum of its proper divisors (903080837224).

1020641653016 is a wasteful number, since it uses less digits than its factorization.

1020641653016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 667959394 (or 667959390 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 35.

The spelling of 1020641653016 in words is "one trillion, twenty billion, six hundred forty-one million, six hundred fifty-three thousand, sixteen".