261667462 has 8 divisors (see below), whose sum is σ = 448572816. Its totient is φ = 112143192.

The previous prime is 261667423. The next prime is 261667501. The reversal of 261667462 is 264766162.

261667462 is nontrivially palindromic in base 13.

It is an interprime number because it is at equal distance from previous prime (261667423) and next prime (261667501).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9345253 + ... + 9345280.

It is an arithmetic number, because the mean of its divisors is an integer number (56071602).

Almost surely, 2^261667462 is an apocalyptic number.

261667462 is a deficient number, since it is larger than the sum of its proper divisors (186905354).

261667462 is a wasteful number, since it uses less digits than its factorization.

261667462 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18690542.

The product of its digits is 145152, while the sum is 40.

The square root of 261667462 is about 16176.1386616213. The cubic root of 261667462 is about 639.6119571534.

The spelling of 261667462 in words is "two hundred sixty-one million, six hundred sixty-seven thousand, four hundred sixty-two".