105641506 has 16 divisors (see below), whose sum is σ = 161520480. Its totient is φ = 51805600.

The previous prime is 105641489. The next prime is 105641509. The reversal of 105641506 is 605146501.

105641506 = 1309² + 1310² + ... + 1367².

It is a super-2 number, since 2×105641506² = 22320255579896072, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105641509) 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, 72081 + ... + 73531.

It is an arithmetic number, because the mean of its divisors is an integer number (10095030).

Almost surely, 2^105641506 is an apocalyptic number.

105641506 is a deficient number, since it is larger than the sum of its proper divisors (55878974).

105641506 is a wasteful number, since it uses less digits than its factorization.

105641506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2129.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 105641506 is about 10278.2053881016. The cubic root of 105641506 is about 472.7282191190.

The spelling of 105641506 in words is "one hundred five million, six hundred forty-one thousand, five hundred six".