1610632261 has 8 divisors (see below), whose sum is σ = 1937602880. Its totient is φ = 1307881728.

The previous prime is 1610632253. The next prime is 1610632267. The reversal of 1610632261 is 1622360161.

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

It is a cyclic number.

It is not a de Polignac number, because 1610632261 - 2³ = 1610632253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1610632267) 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, 6054876 + ... + 6055141.

It is an arithmetic number, because the mean of its divisors is an integer number (242200360).

Almost surely, 2^1610632261 is an apocalyptic number.

It is an amenable number.

1610632261 is a deficient number, since it is larger than the sum of its proper divisors (326970619).

1610632261 is a wasteful number, since it uses less digits than its factorization.

1610632261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12110043.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 1610632261 is about 40132.6832020985. The cubic root of 1610632261 is about 1172.1921210535.

The spelling of 1610632261 in words is "one billion, six hundred ten million, six hundred thirty-two thousand, two hundred sixty-one".