18497061 has 24 divisors (see below), whose sum is σ = 29300544. Its totient is φ = 11151360.

The previous prime is 18497029. The next prime is 18497093. The reversal of 18497061 is 16079481.

It is an interprime number because it is at equal distance from previous prime (18497029) and next prime (18497093).

It is not a de Polignac number, because 18497061 - 2⁵ = 18497029 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18497161) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25080 + ... + 25806.

It is an arithmetic number, because the mean of its divisors is an integer number (1220856).

Almost surely, 2^18497061 is an apocalyptic number.

18497061 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

18497061 is a deficient number, since it is larger than the sum of its proper divisors (10803483).

18497061 is a wasteful number, since it uses less digits than its factorization.

18497061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1001 (or 998 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The square root of 18497061 is about 4300.8209681409. The cubic root of 18497061 is about 264.4646174394.

The spelling of 18497061 in words is "eighteen million, four hundred ninety-seven thousand, sixty-one".