1016215061 has 8 divisors (see below), whose sum is σ = 1051432704. Its totient is φ = 981149760.

The previous prime is 1016215037. The next prime is 1016215093. The reversal of 1016215061 is 1605126101.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1016215061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1016215021) 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, 24431 + ... + 51276.

It is an arithmetic number, because the mean of its divisors is an integer number (131429088).

Almost surely, 2^1016215061 is an apocalyptic number.

It is an amenable number.

1016215061 is a deficient number, since it is larger than the sum of its proper divisors (35217643).

1016215061 is an equidigital number, since it uses as much as digits as its factorization.

1016215061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76171.

The product of its (nonzero) digits is 360, while the sum is 23.

The square root of 1016215061 is about 31878.1282543376. The cubic root of 1016215061 is about 1005.3760664497.

The spelling of 1016215061 in words is "one billion, sixteen million, two hundred fifteen thousand, sixty-one".