67416913525 has 12 divisors (see below), whose sum is σ = 90027509572. Its totient is φ = 49784797440.

The previous prime is 67416913517. The next prime is 67416913541. The reversal of 67416913525 is 52531961476.

It can be written as a sum of positive squares in 6 ways, for example, as 22410988209 + 45005925316 = 149703^2 + 212146^2 .

It is not a de Polignac number, because 67416913525 - 2³ = 67416913517 is a prime.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 103718004 + ... + 103718653.

Almost surely, 2^67416913525 is an apocalyptic number.

67416913525 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

67416913525 is a deficient number, since it is larger than the sum of its proper divisors (22610596047).

67416913525 is a wasteful number, since it uses less digits than its factorization.

67416913525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207436680 (or 207436675 counting only the distinct ones).

The product of its digits is 1360800, while the sum is 49.

The spelling of 67416913525 in words is "sixty-seven billion, four hundred sixteen million, nine hundred thirteen thousand, five hundred twenty-five".