1016621540101 has 8 divisors (see below), whose sum is σ = 1021783938560. Its totient is φ = 1011464530992.

The previous prime is 1016621540087. The next prime is 1016621540147. The reversal of 1016621540101 is 1010451266101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1016621540101 - 2⁵ = 1016621540069 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1016621540101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1016621541101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 968841 + ... + 1723918.

It is an arithmetic number, because the mean of its divisors is an integer number (127722992320).

Almost surely, 2^{1016621540101} is an apocalyptic number.

It is an amenable number.

1016621540101 is a deficient number, since it is larger than the sum of its proper divisors (5162398459).

1016621540101 is a wasteful number, since it uses less digits than its factorization.

1016621540101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2694675.

The product of its (nonzero) digits is 1440, while the sum is 28.

The spelling of 1016621540101 in words is "one trillion, sixteen billion, six hundred twenty-one million, five hundred forty thousand, one hundred one".