69916541 has 4 divisors (see below), whose sum is σ = 69962400. Its totient is φ = 69870684.

The previous prime is 69916537. The next prime is 69916549. The reversal of 69916541 is 14561996.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 69916541 - 2² = 69916537 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69916549) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20561 + ... + 23718.

It is an arithmetic number, because the mean of its divisors is an integer number (17490600).

Almost surely, 2^69916541 is an apocalyptic number.

It is an amenable number.

69916541 is a deficient number, since it is larger than the sum of its proper divisors (45859).

69916541 is a wasteful number, since it uses less digits than its factorization.

69916541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45858.

The product of its digits is 58320, while the sum is 41.

The square root of 69916541 is about 8361.6111485766. The cubic root of 69916541 is about 411.9646751534.

The spelling of 69916541 in words is "sixty-nine million, nine hundred sixteen thousand, five hundred forty-one".