1016061651 has 80 divisors (see below), whose sum is σ = 1781429760. Its totient is φ = 570525120.

The previous prime is 1016061637. The next prime is 1016061659. The reversal of 1016061651 is 1561606101.

1016061651 is a `hidden beast` number, since 1 + 0 + 1 + 6 + 0 + 6 + 1 + 651 = 666.

It is not a de Polignac number, because 1016061651 - 2⁶ = 1016061587 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1016061659) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 795025 + ... + 796301.

It is an arithmetic number, because the mean of its divisors is an integer number (22267872).

Almost surely, 2^1016061651 is an apocalyptic number.

1016061651 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1016061651 is a deficient number, since it is larger than the sum of its proper divisors (765368109).

1016061651 is a wasteful number, since it uses less digits than its factorization.

1016061651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1366 (or 1357 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 27.

The square root of 1016061651 is about 31875.7219682943. The cubic root of 1016061651 is about 1005.3254726629.

Adding to 1016061651 its reverse (1561606101), we get a palindrome (2577667752).

The spelling of 1016061651 in words is "one billion, sixteen million, sixty-one thousand, six hundred fifty-one".