106621510 has 16 divisors (see below), whose sum is σ = 196382736. Its totient is φ = 41656608.

The previous prime is 106621507. The next prime is 106621513. The reversal of 106621510 is 15126601.

It is an interprime number because it is at equal distance from previous prime (106621507) and next prime (106621513).

It is a super-2 number, since 2×106621510² = 22736292789360200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106621513) 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, 123549 + ... + 124408.

It is an arithmetic number, because the mean of its divisors is an integer number (12273921).

Almost surely, 2^106621510 is an apocalyptic number.

106621510 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

106621510 is a deficient number, since it is larger than the sum of its proper divisors (89761226).

106621510 is a wasteful number, since it uses less digits than its factorization.

106621510 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248007.

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 106621510 is about 10325.7692207409. The cubic root of 106621510 is about 474.1855072170.

The spelling of 106621510 in words is "one hundred six million, six hundred twenty-one thousand, five hundred ten".