1655452261 has 8 divisors (see below), whose sum is σ = 1703761920. Its totient is φ = 1607330448.

The previous prime is 1655452229. The next prime is 1655452303. The reversal of 1655452261 is 1622545561.

It is the 16611-st star number.

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 1655452261 - 2⁵ = 1655452229 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1655452261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1655452361) 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, 28981 + ... + 64426.

It is an arithmetic number, because the mean of its divisors is an integer number (212970240).

Almost surely, 2^1655452261 is an apocalyptic number.

It is an amenable number.

1655452261 is a deficient number, since it is larger than the sum of its proper divisors (48309659).

1655452261 is an equidigital number, since it uses as much as digits as its factorization.

1655452261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93923.

The product of its digits is 72000, while the sum is 37.

The square root of 1655452261 is about 40687.2493663555. The cubic root of 1655452261 is about 1182.9658851361.

The spelling of 1655452261 in words is "one billion, six hundred fifty-five million, four hundred fifty-two thousand, two hundred sixty-one".