161003654 has 8 divisors (see below), whose sum is σ = 276006288. Its totient is φ = 69001560.

The previous prime is 161003639. The next prime is 161003669. The reversal of 161003654 is 456300161.

It is an interprime number because it is at equal distance from previous prime (161003639) and next prime (161003669).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5750117 + ... + 5750144.

It is an arithmetic number, because the mean of its divisors is an integer number (34500786).

Almost surely, 2^161003654 is an apocalyptic number.

161003654 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

161003654 is a deficient number, since it is larger than the sum of its proper divisors (115002634).

161003654 is a wasteful number, since it uses less digits than its factorization.

161003654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11500270.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 161003654 is about 12688.7215274038. The cubic root of 161003654 is about 544.0162980808.

The spelling of 161003654 in words is "one hundred sixty-one million, three thousand, six hundred fifty-four".