1016421045502 has 8 divisors (see below), whose sum is σ = 1534728466512. Its totient is φ = 504844890000.

The previous prime is 1016421045469. The next prime is 1016421045509. The reversal of 1016421045502 is 2055401246101.

It is a happy number.

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

It is a super-2 number, since 2×1016421045502² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1016421045509) 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, 1682815999 + ... + 1682816602.

It is an arithmetic number, because the mean of its divisors is an integer number (191841058314).

Almost surely, 2^{1016421045502} is an apocalyptic number.

1016421045502 is a deficient number, since it is larger than the sum of its proper divisors (518307421010).

1016421045502 is a wasteful number, since it uses less digits than its factorization.

1016421045502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3365632754.

The product of its (nonzero) digits is 9600, while the sum is 31.

The spelling of 1016421045502 in words is "one trillion, sixteen billion, four hundred twenty-one million, forty-five thousand, five hundred two".