3664250261 has 8 divisors (see below), whose sum is σ = 4434050880. Its totient is φ = 2956033728.

The previous prime is 3664250243. The next prime is 3664250279. The reversal of 3664250261 is 1620524663.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (3664250243) and next prime (3664250279).

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 3664250261 - 2⁶ = 3664250197 is a prime.

It is a super-3 number, since 3×3664250261³ (a number of 30 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3664250761) 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, 15395891 + ... + 15396128.

It is an arithmetic number, because the mean of its divisors is an integer number (554256360).

Almost surely, 2^3664250261 is an apocalyptic number.

It is an amenable number.

3664250261 is a deficient number, since it is larger than the sum of its proper divisors (769800619).

3664250261 is a wasteful number, since it uses less digits than its factorization.

3664250261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30792043.

The product of its (nonzero) digits is 51840, while the sum is 35.

The square root of 3664250261 is about 60533.0509804355. The cubic root of 3664250261 is about 1541.6828543879.

The spelling of 3664250261 in words is "three billion, six hundred sixty-four million, two hundred fifty thousand, two hundred sixty-one".