106406156554 has 4 divisors (see below), whose sum is σ = 159609234834. Its totient is φ = 53203078276.

The previous prime is 106406156537. The next prime is 106406156573. The reversal of 106406156554 is 455651604601.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 455651604601 = 175433 ⋅2597297.

It can be written as a sum of positive squares in only one way, i.e., 87725554225 + 18680602329 = 296185^2 + 136677^2 .

It is a super-2 number, since 2×106406156554² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 106406156554.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26601539137 + ... + 26601539140.

Almost surely, 2^106406156554 is an apocalyptic number.

106406156554 is a deficient number, since it is larger than the sum of its proper divisors (53203078280).

106406156554 is an equidigital number, since it uses as much as digits as its factorization.

106406156554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53203078279.

The product of its (nonzero) digits is 432000, while the sum is 43.

It can be divided in two parts, 10640615 and 6554, that added together give a square (10647169 = 3263²).

The spelling of 106406156554 in words is "one hundred six billion, four hundred six million, one hundred fifty-six thousand, five hundred fifty-four".