7230912661 has 16 divisors (see below), whose sum is σ = 8703811584. Its totient is φ = 5873030064.

The previous prime is 7230912649. The next prime is 7230912671. The reversal of 7230912661 is 1662190327.

It is a cyclic number.

It is not a de Polignac number, because 7230912661 - 2¹³ = 7230904469 is a prime.

It is a super-2 number, since 2×7230912661² (a number of 21 digits) contains 22 as substring.

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 7230912661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7230912641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 192645 + ... + 227098.

It is an arithmetic number, because the mean of its divisors is an integer number (543988224).

Almost surely, 2^7230912661 is an apocalyptic number.

It is an amenable number.

7230912661 is a deficient number, since it is larger than the sum of its proper divisors (1472898923).

7230912661 is a wasteful number, since it uses less digits than its factorization.

7230912661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419880.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 7230912661 is about 85034.7732460080. The cubic root of 7230912661 is about 1933.7383279151.

The spelling of 7230912661 in words is "seven billion, two hundred thirty million, nine hundred twelve thousand, six hundred sixty-one".